MSNBC’s Mika Brzezinski applauded Chris Christie for putting a finishing move on Vivek Ramaswamy, whom he called “the most obnoxious blowhard in America.” The Republican presidential candidates traded barbs throughout Wednesday’s debate, which is the final one until the Iowa caucuses, and the “Morning Joe” host and panelist Molly Jong-Fast appreciated Christie coming to fellow GOP challenger Nikki Haley’s defense by saying Ramaswamy had “insulted” her “basic intelligence.” “I’ve been, like, the biggest Chris Christie critic,” said Jong-Fast, “but I was moved by him stopping the tape and being …