palin endorsed a tea party event and ted cruz was able to force a runoff. says her endorsement gave a huge boost to the campaign. i'm joined by john harris. >> good morning. >> this is the latest in a string of successful endorsements by sarah palin. she gave a nod and backed indiana state treasurer richard mourdock. is the power of palin alive and well? >> you know, she is clearly on a hot streak. one question we always have with endorsements is to what extent is the endorser making a bet of who wins and to what extent it is driving the behavior of voters. it does seem clear that at least