Santorum Must Go

Last night's three state sweep (ok, ok, two states and a federal district) is just the latest event in the now inevitable road to the GOP nomination for Mitt Romney.  Rick Santorum's presence in the race--which at one point had some grounding in both fact and hope--now is grounded in neither. 

1.  Rick Santorum will not amass the required number of delegates between now and the convention. Therefore, he believes he has a chance at a brokered convention.
2.  If the convention is brokered, Rick Santorum's continuing to stay in the race assures that Romeny's supporters will not switch allegiance. If forced to abandon Romney, they would support someone not currently in the race before they would support Santorum.  Given that and  #1, there is no possible way for Rick Santorum to be elected President as a Republican in 2012.
3.  If Santorum has any sense that what he has accomplished is worth repeating in 2016 or beyond, he should understand that the goodwill he has accumulated by running a scrappy campaign has now begun to turn to animosity.
4.  If Santorum stays active in the race and loses Pennsylvania, his political career is over, forever.

You've run a good race, Rick.  But it is time to go.