rick santorum s state of pennsylvania votes. he has to do very well there. if he can get past those two tests, he goes into may and he is very competitive in five or six states in may, including the big one of texas. so rick santorum, i don t think is going to win the nomination. mitt romney is almost certain to win t. but it matters how romney wins it. and it matters how rick santorum finishes up. we will get an indication of that on tuesday and also april 24. shannon: well, on tuesday, we have maryland, d.c. and wisconsin. wisconsin is the biggs prize. several key endorsements have come for mitt romney, paul ryan and ron johnson, very big outer of wisconsin. how much do the endorsements matter to the voters? or is it more about sending the message to the other contenders, hey, it s time to wrap this thing up and bow out gracefully? it s about uniting behind one