Occupy protests: Month 4

Occupy activists enter the Occupy the Caucus headquarters, Tuesday, Dec. 27, 2011, in Des Moines, Iowa.

While the nebulous Occupy movement has not field its own candidates for public office or even endorsed any (unlike Tea Party activists in 2010), anti-Wall Street protesters became a presence in Iowa prior to the January 3 caucuses, with vows to interrupt candidates at events and make life difficult at their Iowa offices by camping inside or outside them.

Des Moines, Iowa

Activists with Occupy Iowa Caucuses shout slogans as they march along a street in Des Moines, December 31, 2011.

Des Moines, Iowa

Activists with Occupy Iowa Caucuses shout slogans as they march along a street in Des Moines, Iowa, on December 31, 2011.

Des Moines, Iowa

Frankie Hughes, 14, a protester affiliated with the Occupy Wall Street movement, demonstrates outside the Iowa Democratic Party headquarters on December 29, 2011 in Des Moines, Iowa. Thirteen people were arrested during the protest.

Urbandale, Iowa

An Occupy demonstrator holds a sign during a protest outside the headquarters of presidential candidate Rep. Michele Bachmann, R-Minn., on Saturday, Dec. 31, 2011 in Urbandale, Iowa.

Urbandale, Iowa

At a protest outside the campaign headquarters of Republican presidential candidate Rep. Michele Bachmann, a police officer instructs Occupy demonstrators to leave, Saturday, Dec. 31, 2011 in Urbandale, Iowa.

Des Moines, Iowa

Police detain a 16-year-old protester from Occupy Iowa Caucuses outside the Des Moines home base of Republican White House hopeful Michele Bachmann, December 31, 2011. Police arrested at least a dozen of the protestors, including two teenaged girls, 14 and 16, witnesses and organizers said.

The scene inside the Occupy Iowa Caucuses headquarters.

Des Moines, Iowa

An activists of Occupy Iowa Caucuses displays a placard against Republican presidential hopeful Mitt Romney in front of his Iowa campaign headquarters, in Des Moines, December 28, 2011.

Des Moines, Iowa

Sue Dvorksy (left), chairwoman of the Iowa Democratic Party, talks with Occupy protesters outside the Iowa Democratic Party headquarters on December 29, 2011 in Des Moines, Iowa. Thirteen people were arrested during the protest.

Des Moines, Iowa

Protesters affiliated with the Occupy Wall Street movement demonstrate outside the Iowa Democratic Party headquarters on December 29, 2011 in Des Moines, Iowa. Thirteen people were arrested during the protest.

Des Moines, Iowa

A supporter of Republican presidential candidate and former House Speaker Newt Gingrich attempts to cheer over the chants of protesters affiliated with the Occupy Wall Street movement, outside Java Joe's, site of a Q&A forum with Gingrich, December 30, 2011 in Des Moines, Iowa.

London, England

A welcome tent outside St Paul's Cathedral in London, Friday, Dec. 30, 2011. Occupy London protesters have been camping outside the Cathedral in an anti-capitalist protest since October.

New York, N.Y.

Occupy Wall Street protesters and police clash over barricades at Zuccotti Park Saturday, Dec. 31, 2011 in New York. The demonstrators returned to the park Saturday after being evicted by police in November.

New York, N.Y.

An Occupy Wall Street protester is arrested Sunday, Jan. 1, 2012 in New York. Protesters clashed with police as they marched through lower Manhattan.

New York, N.Y.

Police arrest a protester in New York Saturday Dec, 31, 2011 as the Occupy Wall Street protesters marched in lower Manhattan. The protesters went to Zuccotti Park, then marched through parts of lower Manhattan.

Pasadena, Calif.

In this Dec. 29, 2011 photo, Occupy activists test a float made featuring a copy of the Constitution, in Pasadena, Calif. Activists with the Occupy movement are planning to turn out en masse, on January 2, 2012 at the annual Rose Parade accompanied by their own floats.

Occupy protesters march along Colorado Boulevard during the 123rd Tournament of Roses Parade in Pasadena, Calif., Monday, Jan. 2, 2012. Several hundred Occupy protesters marched at the end of the Rose Parade in a prearranged demonstration.

Littleton, N.H.

Former House Speaker and Republican presidential candidate Newt Gingrich and his wife, Callista, arrive to a town hall meeting as Occupy protesters demonstrate, at Littleton Opera House on January 5, 2012 in Littleton, New Hampshire.

Manchestr, N.H.

Occupy Wall Street protesters sit by a coffin during a rally outside the site of a debate featuring the Republican presidential candidates, at Saint Anselm College January 7, 2012 in Manchester, New Hampshire.

Concord, N.H.

Members of the Occupy Movement hold signs outside the Capitol Center for the Arts where Republican presidential candidates were participating in the NBC News-Facebook Debate January 8, 2012 in Concord, New Hampshire.

An overall view of the Occupy DC encampment January 8, 2012 in McPherson Square in Washington, DC. Today marks the 100th day of occupation in DC.

New York, N.Y.

Occupy Wall Street, New York, zuccotti park — AP Photo

Occupy Wall Street protesters make signs in Zuccotti Park, Tuesday, Jan. 10, 2012, in New York. Police barricades - which had surrounded the park since the Occupy encampment was raided by police and protesters evicted in November - were taken down overnight on January 11, 2012. While the barricades are gone, protesters are still not allowed to set up tents or tarps and are forbidden from lying down on benches in the park.

New York, N.Y.

Occupy Wall Street demonstrators arrive at Riverside Church for a service to honor Martin Luther King, Jr. on January 15, 2012 in New York.

About 400 demonstrators singing "We Shall Overcome" marched in a candlelight vigil Sunday night to the church for an hours-long program featuring musical performances and quick speeches. Patti Smith read a poem and rapper-turned CEO Russell Simons denounced the influence of large corporations and lobbyists. Yoko Ono was not in attendance but had a written statement read aloud.

Washington, D.C.

A rat trap sits near protesters' tents in McPherson Square Park in Washington, Friday, Jan. 13, 2012. Washington Mayor Vincent Gray has called on the National Park Service to remove Occupy D.C. protesters from the square, citing rat infestation and other health issues.

Myrtle Beach, S.C.

Buttons in support of the Occupy movement and Republican presidential candidate Rep. Ron Paul, R-Texas, are worn by an audience member as he campaigns in Myrtle Beach, S.C., Sunday, Jan. 15, 2012.

Superior Township, Mich.

Protesters drawn from the Occupy Wall Street movement and mobilized by the Rev. Al Sharpton gather in Superior Township, Mich. on Martin Luther King Day to march to Gov. Rick Snyder's home to challenge Michigan's emergency manager law Monday, Jan. 16, 2012.

The protesters said the state's revised emergency manager law is racially biased and makes it too easy for Michigan to take over financially struggling minority communities and school districts.

Washington, D.C.

As Congress returns from its winter recess, protesters aligned with the Occupy Wall Street movement demonstrate on Capitol Hill in Washington, Tuesday, Jan. 17, 201, to decry the influence of corporate money in politics.

Washington, D.C.

U.S. Capitol Police Officers try to pull William Griffin of the "Occupy" movement off a stair rail and arrest him during a protest at the West Front Lawn of the Capitol January 17, 2012 in Washington, D.C.

Washington, D.C.

William Griffin of the Occupy Movement is arrested by U.S. Capitol Police during a protest at the West Front Lawn of the Capitol January 17, 2012 in Washington, D.C. Hundreds of members of the Occupy Movement from across the country participated in the Occupy Congress rally on Capitol Hill.