>> laura: we are just four days away from the midterms and some of these races are in dead heats including right here in arizona. in moments, we'll talk with republican senate candidate martha mcsal y. but first, trace gallagher joins us now with an important update. >> if you look at the fox news polls over the last two months, the indiana senate race has seen a significant shift in the numbers. in september, gop challenger mike brawn was up by two points over joe donnelly. in october that flipped and donnelly was up by two. now donnelly has increased the lead to seven points but don't write off mike braun just yet. because according to the real clear politics average donnelly is up by less than one point remaining this race appears to still be a dead heat. in the "show me" state senate race, no matter what polls you look at it, it's a toss-up. the rcp average has republican