Martin Sheen took on "big guy" Donald Trump and his Cabinet on Monday by offering "some personal advice" for the president.Martin Sheen took on Donald Trump and his Cabinet on Monday, by offering some “personal advice” for the president.“You got to realise, sir, that you are the biggest nothing in the world,” said the West Wing actor during an MSNBC live event with host Nicolle Wallace.The three-time Emmy winner, following several seconds of applause from the crowd, proceeded to urge Trump to “stop there”.“You stop listening to all these people around