Joe Kennedy III: Democrats need ‘a big messy contest’

As Donald Trump moves closer to kicking off an international trade war, many Republicans are worried that his steel tariff will hurt the US economy just in time for the mid-term elections. Democrats are fighting to take control of the House of Representatives in November, but to win the Presidential election in 2020, they need a Trump-beating candidate. Could it be a Kennedy? I’ve been to meet Congressman Joe Kennedy III.