Mr. T pities the fool who doesn’t cheer on Team USA. The 69-year-old actor who became a household name after playing heavyweight champion Clubber Lang in the 1982 sports classic “Rocky III” is excited the Winter Olympics are getting underway in Beijing. “Wow! I am pumped! I am excited and I am ready!” Mr. T tweeted Thursday. “You know why? It’s time for The Winter Olympics! And you know what that means! My Favorite! The U.S.A Curling team is back! I am sorry, the Defending Olympic Champions Curling Team! Team USA won its first gold medal in curling at the 2018 winter games in South Korea. For …