Three former Republicans appearing on MSNBC on Sunday afternoon burst out laughing at a clip of a manic Rep. Elise Stefanik (R-NY) rattling off reasons why she would consider being Donald Trump’s running mate should he make it to the November ballot. During an appearance on NBC’s “Meet The Press,” the New York Republican breathlessly ticked off how proud she would be to be a part of a second Trump administration before guaranteeing the four-time indicted ex-president would win as she beamed at host Kristen Welker. ‘Stefanik hit almost all of the MAGA talking points,” MSNBC host Alex Witt promp…