MetroFocus: February 2, 2016

Harry Enten, an analyst for FiveThirtyEight, joins us to discuss the Iowa caucus results. Dr. Bob Arnot brings us the facts about the mosquiteo-borne Zika virus. Tonight, part two of our interview with George Takei. Kadiatou Diallo remembers her son Amadou,who was shot by NY police in 1999.