today s threat of litigation from you guessed it, donald trump, who was in tampa, florida tonight at a rally. on twitter today, trump issued an you will may tum to ted cruz. jim acosta is now live. what is the mood like there so far? trump promising a shift in tone to be more positive and more attacks including a lawsuit threat. . well, that s right, jim. a few moments ago, donald trump on stage at this rally said his campaign is a message about love and he s the messenger. not a lot of love on the campaign trail. as you mentioned there s the tweet that trump sent out earlier this afternoon in which he threatens to take ted cruz to court if the texas senator does not cease negative attack ads and other sorts of dirty tricks he s accusing ted cruz of carrying out in south carolina. he has been retweeting his supporters questioning the texas senator s canadian birth. so far at this point, jim, donald trump has not mentioned ted cruz yet. he has gone after jeb bush at one poi