Peter Hamby: “The first big showdown for Democrats will likely take place in the Senate, where a battery of Trump’s controversial cabinet nominees are set to face confirmation hearings. A new poll from Echelon Insights, in partnership with Puck, suggests that Democrats have an opportunity to drive a wedge between the American public and Trump on the subject of his more outré picks: Pete Hegseth for secretary of defense, Kash Patel for FBI director, Tulsi Gabbard for director of national intelligence, and Robert F.