reporter: jim, this is a nail-biter. this race is only getting tighter and tighter. when you went to bed last night, republican adam laxalt was ahead by 2.7%. when you woke up this morning, that margin tightened to 2.44%. as jim mentioned, the margins here in clark county appear to be in favor of the democratic incumbent catherine cortez masto. all these races are nail biters. it want to talk to you about the secretary of state race. that is even tighter. the challengers there are sysco aguillar. he s a former harry reid staffer. he s vowed for transparent elections. his opponent, republican jim marchant, he is probably one of the sharpest election deniers in the country. he started the america first