in the name of defense. speaking in favor of an amendment he had proposed to cut tens of billions of dollars from the budget. marco rubio had his own amendment that would raise defense spending without any spending cuts to pay for it. >> the national security of our country is the predominant obligation of our government. it is the one thing that the government can do. >> then there was ted cruz who didn't know whose side he was on. cruz was clearly torn. the senators stood quietly at the well of the senate chamber reading the text of the rubio amendment and checking his smartphone. cruz gave a thumbs up sign siding with rubio. neither of those amendments from cruz or rubio passed. in a way that's not important. the larger question is who ends up winning this fight within the republican party. is it rubio, the hawk who wants to pour more money in defense or paul the budget slasher who