No one's really buying the autocorrect excuse offered by ND's Kevin Cramer
                                
                                
                                    (Newser) -
                                    "She's retarded," Sen. Kevin Cramer tweeted Tuesday in response to a Daily Caller post about House Speaker Nancy Pelosi's proposal for an economic stimulus package, to the  ire of   social media users . Now, the North Dakota Republican's defense of the tweet, deleted 10 minutes later,...