expected to be a crowded field. texas senator ted cruz officially launched his bid becoming first last monday. we're told that kentucky senator rand paul will kick off his official campaign next week. i want to bring in nbc senior political editor mark murray. so, mark, what kinds of themes are we going to expect? let's start with marco rubio. his campaign. the message? >> well, one of the big messages of course, it's not 100% locked down, thomas, bullet like but likely april 13th on the presidential bid and likely in miami. one of the things he's going to have one of the things that catapulted him to national prominence in 2010 is talk about being a cuban-american, a son of immigrants and a better tomorrow, to almost have the new generation of republicans. of course, you know you just kind of mentioned, april is going to be our very big announcement month. >> right. >> not only marco rubio and rand paul it's possible hillary clinton at least puts together a presidential campaign committee. april's going to bring us just a shower of all of these kind of