On Sunday’s broadcast of ABC’s “This Week” roundtable, former New Jersey Gov. Chris Christie (R) said Republicans could flip three Democratic House seats in the 2020 election as a result of the impeachment of President Donald Trump. Christie said, “You know what’s happening in blue New Jersey, a very blue state. Jeff Van Drew switches from Democrat to Republican, from the majority party to the minority party in the middle of impeachment because of impeachment. Andy Kim, who won his seat two years ago, is now losing to Katie Gibbs, his Republican challenger. And Tom Malinowski is losing to Tom...