sean hallfield and savannah walker are accused of killing taylor in december. probable cause hearings are scheduled for both of them today. taylor was found dead in hendersonville. according to search warrants henderson's cousin said a drug deal was involved. >> also today the federal trial continues of a new voter i.d. requirement. u.s. justice department and the naacp said the law will make it harder fer minority voters to cast a ballot. supporters says it protects against voter fraud. it is not clear if the judge will make a ruling before north carolina's primary in march. the iowa caucuses are less than a week away and a new poll is shedding light on the republican nomination. >> reporter: the countdown to the iowa caucuses is being measured in hours. >> 171 hours, that's how long we have until the iowa caucuses, 171 hours. >> ted cruz seeing his poll numbers flip, urging voters to turn out. >> it is now or never. we can't get it wrong again. >> but wrong is what donald trump is saying about cruz, telling supporters the texan should run for the prime minist