Everyone’s so mad at Chuck Schumer, the Democrats are putting him on a performance improvement plan. First, Nancy Pelosi knifed Chuck, now George Soros is staging a coup. One Soros-funded group is calling for him to step down and is hosting a “virtual event in which activists are encouraged to write happy retirement cards to the Brooklyn Democrat.” What goes around comes around, and the coup karma really stings. Now, Democrats are going through growing pains — the Socialists are battling with th