Former Trump campaign manager Corey Lewandowski responds to Sen. Susan Collins' (R-Maine) hesitancy in naming Trump the Republican party's 2020 nominee for president. "It’s very hard to get things done in this highly politicized environment, but you have to remember when Donald Trump ran for office many of the people, many of the pundits, many of the so-called-experts said he would never run, he would never be successful, he would never be a real candidate and he defeated 16 Republican challengers in the primary, he won 38 primaries and caucuses and he went on to defeat Hilary Clinton with all...