The entire panel on MSNBC’s “The Weekend” burst into laughter on Sunday morning after watching clips of Donald Trump being taunted and booed Saturday night at the Libertarian National Convention. Co-host Alicia Menendez introduced the clips by explaining, “Donald Trump hopes to win over Libertarian voters in his quest to win back the White House, but that may be easier said than done.” With that, a clip ran of Trump telling the hostile crowd, “We must work together. You have to combine with us,” only for him to be shouted down. Want more breaking political news? Click for the latest headlines …