. >> i'm kate bolduan. we want to welcome our viewers around the world. it is caucus day in america. we are here in beautiful des moines, iowa hours from now the first real numbers will be tallied and the very first contest of the 2016 race. >> the

. >> i'm kate bolduan. good morning from manchester, new hampshire. center of the political universe right now. just 13 hours now until the critical primary begins in this state. and that means if you're running for president, you are literally running across this state right now. for the democrats, hillary clinton and bernie sanders, they are fighting for every last vote. >> on the republican side, it's an old fashioned battle. maybe not for first place. donald trump seems to be

. >> and i'm kate bolduan. game on in south carolina. in the next few minutes, both ted cruz and jeb bush will be holding their first events in the key state following the stunni stunning finish in new hampshire. this is the kickoff of a ten-day scramble with a state known to not be always so fair but intense campaigning. or as one rubio aide puts it, it's going to be a blood bath. >> ted cruz coming off a surprising third-place finish behind john kasich and jeb bush. this week, jeb bush will be joined for the first time on the trail by someone who took the south carolina primary back in 2000, his brother, george w. bush. it worked out pretty well for him in

. >> i'm kate bolduan. it's caucus day in nevada. the republican candidates are making their final pitch to voters, and there is a lot at stake tonight in a state that knows a lot about stakes. delegates, momentum, and maybe simply survival. >> in the i want to be in the momentum category,

i'm kate bolduan. >> and i'm john berman. nevada you're on the clock. one day to go before the republican caucuses there and one day to see if donald trump can pick up one more win. he's in nevada this morning. rubio and cruz continuing their silver is the new gold tour, setting up a last-minute scramble for

. >> i'm kate bolduan. >> we approved this message. >> sort of. >> cnn quiz show, race for the white house. it airs monday night at 9:00 p.m. ooemp on cnn. the band ok go is known for music videos. remember when they danced on the treadmills? they shot the video. >> ok go has gone weightless. ♪ >> reporter: don't try this aboard your next commercial flight. the band known for its unique videos has come a lock way from their treadmill days. now they're treading in zero gravity in a plane above russia. for three weeks they practiced and performed as the plane climbed and had 27 seconds of weightlessness. time to open luggage and release a zillion balls. the flight attendants didn't yell. they're actually trained air yell ak tro bats. the lead singer said the whole experience was exciting and terrifying. >> it's a very difficult physical sensation, and it just causes a lot of fear and panic. >> reporter: russia's s 7 airline offered the plane in exchange for using the results in a marketing campaign. the video upside down and inside out is made up of eight periods of weightlessness wi

i'm kate bolduan. >> and i'm john berman. a short time ago, trump tweeted, "based on the fraud committed by ted cruz during the iowa caucus, either a new election should take place or the cruz results nullified. >> dropping the "f" bomb, as in the fraud bomb. cruz apologized to ben carson, for the record, after cruz's staff told iowa caucusgoers that carson was planning to quick the race. but that doesn't seem

at this hour with berman and bolduan starts now. >> hello, everyone. kate is off. it is time to buckle in and lawyer up. we are in the midst of one of the most jam packed 24 hours of south carolina primary in the history of south carolina primaries. what you're looking at there is a hall where any moment now donald trump will take the stage. who will he threaten to sue today? moments ago, marco rubio took the stage with his new best

at this hour with berman and bolduan starts now. >> hello, everyone. i'm kate boulduan. >> i'm john berman. we're only a few hours into it. here is just a sampling of chris christie lighting in to marco rubio. >> rubio hasn't accomplished one thing in his entire career. he's not senate for five years and dount