>> from my cold, dead hands. >> reporter: the iconic image of the nra, hollywood maverick, the late charlton heston brandishes a musket, a legendary portrait of the gun lobby's tight relationship with conservatives, but huh? harry reid? >> pull. >> reporter: the democratic senate majority leader, shown here in a campaign video, has been endorsed boy the nra in the past. not this year. he backed the supreme court nominations of justices sotomaysotto mayor and kagan, hot nra believes don't support gun rights but the group is backing 64 house democrats this election cycle, most of them incumbent, including several who are running for seats viewed as crucial for winning the majority in the midterms. >> they are an interest group like any other interest group and they want to advance their interests. >> reporter: former gop congressman tom davis was once national chairman of the republican congressional kerk the party's arm that pushes house campaigns. >> why is it in the nra's