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Marco Rubio

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At an Irish luncheon Tuesday, President Obama commented on the 2016 GOP campaign, saying "We've seen actual violence and we've heard silence from too many of our leaders"

At an Irish luncheon Tuesday, President Obama commented on the 2016 GOP campaign, saying "We've seen actual violence and we've heard silence from too many of our leaders." The comments come as Democrats and Republicans head to the polls for primaries in five states. CBSN's political team weighed in on the president's remarks.

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Republican front-runner Donald Trump expects to win Florida and Ohio, extending his large delegate lead even further

Republican front-runner Donald Trump expects to win Florida and Ohio, extending his large delegate lead even further. Anti-Trump ads featuring his comments about women and use of obscenities are flooding primary states, trying to sway voters to oppose the frontrunner. Trump's national spokesperson Katrina Pierson joins CBSN to discuss the ads and why she says they take Trump out of context.

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Today is primary day in five states, where voters will shape the presidential election on both sides of the race

Today is primary day in five states, where voters will shape the presidential election on both sides of the race. Ohio Governor John Kasich and Florida Senator Marco Rubio have been focusing on their home states, hoping to edge Republican front-runner Donald Trump. If they fail to win in Ohio and Florida, it will likely be the end of their presidential runs. CBS News' Major Garrett has analysis of the GOP race on CBSN.

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Political consultant Frank Luntz has been interviewing and surveying voters for the 2016 election, gathering information about why voters are choosing particular candidates

Political consultant Frank Luntz has been interviewing and surveying voters for the 2016 election, gathering information about why voters are choosing particular candidates. After unrest at Donald Trump rallies over the weekend, Luntz says anger surrounding his campaign is only getting worse. He joined CBSN to talk about the 2016 race.

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Tuesday's Republican primaries may be a turning point in the 2016 presidential race

Tuesday's Republican primaries may be a turning point in the 2016 presidential race. If Marco Rubio and John Kasich don't win their home states of Florida and Ohio, respectively, they may end their campaigns. As for front-runner Donald Trump, increasing violence at his rallies may hurt him at the polls. With more on the 2016 race, Yahoo News' chief Washington correspondent Olivier Knox joins CBSN.

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