Jimmy Kimmel opened his Wednesday late night show pounding Sen. Bill Cassidy for playing the Comedians are Dummies Card on CNN earlier in the day, while trying to defend of his indefensible Obamacare repeal and replace plan. “Last night on the show I took a Senator from Louisiana, Bill Cassidy to task for promising, to my face, that he would oppose any healthcare plan that allowed insurance companies to turn away people with pre-existing conditions, and any healthcare…