Trump campaign economic adviser Arthur Laffer: I hope tariffs are a negotiation tool
As Beijing threatens to retaliate against looming U.S. tariffs, former Trump campaign economic adviser Arthur Laffer, who also served in the Reagan White House, tells Elaine Quijano on CBSN's "Red and Blue" that he hopes the back-and-forth is merely a negotiating tactic for President Trump and China's Xi Jinping.