eric: early voting is underway in south carolina's republican primary perform former president trump holds a solid lead over nikki haley in her home state, but, you know, the former u.n. ambassador, well, she's hitting the former president on foreign policy, his mental fitness and other issues. alexandria hoff has the very latest. she's in south carolina where, well, i guess they're beginning to vote. hey, a alexandria. >> reporter: hey, yeah. we have these vents underway throughout the week. you're speaking about foreign policy, and the criticism coming from team nikki haley towards the former president has really ramped up especially in the wake of pew putin foe if alexei that'llny's death. the campaign coming out and directly asked if the former president would consider vladimir putin responsible for this. she also said this earlier today regarding some of his overseas dealings. >> the problem is if someone is not there to rein him in, he gets out of control. look at what he said about nato. he went and said that he would -- if they didn't pull their weight, he would encourage put