Haley cuts Trump lead in New Hampshire to single digits, Trump to skip last Iowa debate

A new poll shows Nikki Haley has cut former President Donald Trump’s lead in New Hampshire down to just seven points. In recent days, Trump has stepped up his attacks against Haley, including new ads and baseless claims online. CBS News senior White House and political correspondent Ed O’Keefe has more on the race with just days remaining until the Iowa caucuses.