One top Republican senator says that "lives depend" on getting Trump's national security nominees confirmed quickly.Rebecca Noble/Getty ImagesRepublicans are pushing for swift confirmation of Trump's national security nominees.They say it's even more necessary after this week's deadly New Orleans attack.Some of those nominees are among Trump's most controversial picks.In the wake of the deadly New Orleans attack, top Republicans are calling on the Senate to swiftly confirm President-elect Donald Trump's national security nominees.Fifteen people are confirmed dead after an individual drove a car through a crowd on Bourbon Street early on Wednesday morning.