bret: good evening, welcome to washington. i m bret baier. breaking tonight two u.s. adversaries raising eyebrows this national security circles causing real concern here in washington as both country s leaders touted their nuclear ambitions today. russian president vladimir putin saying he will revisit his country s policies on using nuclear weapons while iran is drastically expanding one of its not so secret nuclear sites. we begin with russia. chief national security correspondent jennifer griffin has details tonight lye from the pnc. good evening, jennifer. jennifer: good evening, bret. more nuclear saber ratling from vladimir putin during his second stop in acre shah in search of friends. weapons for his war in ukraine, and a return to the cold war. the veiled threat came thursday during a press conference in vietnam. putin said he was thinking of changing russia s nuclear doctrine, lowering the threshold for the first use of a nuclear weapon. currently russian doctr
we have five months until election day. now every poll that comes out we know it s me particular alsoly dissected as we all try to analyze where the momentum is. this time around we have seen trump looking strong in poll after poll. but, a few recent surveys including one from us here at fox, shows the race tighter and it triggered some wishful thinking syndrome in some corridors. big shift among independent voters could signal some new momentum for president biden. every poll suggests a tight race. this one shows a little momentum, perhaps. probably than biden has had in really months. it underscores that the biden campaign theory of the case here is which is that as people started to dial in they would find trump less and less appealing. laura: before they start making plans for the second biden inaugural, let s break this down and look at things in some context here. now, first, even with the latest polls, factored in, trump is still leading in the national rcp a