With less than two weeks before early voting starts in the 2016 race, former Alaska Gov. Sarah Palin officially endorsed Donald Trump in Iowa Tuesday night, attacking the Republican establishment in the process. Gwen Ifill talks to Paul Steinhauser of…

Jan 20

Here’s how the Iowa caucus works

DES MOINES, Iowa — More than 40 years ago, a scheduling quirk vaulted Iowa to the front of the presidential nominating process, and ever since most White House hopefuls have devoted enormous time and money to a state that otherwise…

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