Democratic Field Narrows; Assessing the Impact of the Border Wall

P.M. Edition for January 13th: As the Democratic presidential candidates gear up for their next debate in Iowa, there's one fewer among them. Ken Thomas has more. Plus, President Trump's immigration policy has focused on a key pledge: building a border wall. But has it been effective? Michelle Hackman explains. Annmarie Fertoli hosts. Learn more about your ad choices. Visit megaphone.fm/adchoices