It's Down to the Wire in the Iowa Caucuses

Three days before the Iowa caucuses, the presidential nomination campaign is more chaotic than ever… with Donald Trump staging his own show instead of debating opponents. We hear what's at stake for Republicans, and for Democrats, in what's only the first stop in what could be a long road to nomination.

Later on the program, Syrian peace talks are beginning…on very shaky ground.

Photo: Scott Morgan/Reuters