live from new york starts right now. >> it's another weekend of intensity on the campaign trail as hopefuls on both sides of the aisle push forward. they are playing a critical role in the all important hunt for delegates. maryland, delaware, rhode island, connecticut and the big prize is pennsylvania. that state setting the stage for a showdown with the most delegates up for grabs. hello and here's what's going on. ted cruz is all about the ruling of the delegates as many as he can. he is trying to win more support for the delegates that are unbound so he can force a contested convention from getting the nomination. pennsylvania has 71 republican delegates with 54 who remain unbound. at the moment of the remaining contenters, trump is 400 shy of getting to the magic number of 1237 needed to get the nomination. has 559 and john kasich 458. laying out the boundaries for donald trump and his rivals as he tries to hold the party when the gop seems to be under assault from all sides. >>...