. >> reporter: john boyling e is one of over 100 republicans that signed a letter focusing entirety of the rnc's available resource on preserving the gop's congressial majorities. >> those are the true republicans that are running. donald trump is not a republican, and he is charading candidate. >> reporter: many republicans facing uphill battles to hold onto their seat, including these 6 senate candidates who have seen their poll number drop since the republican convention. >> reporter: those in favor of shifting resources say the money can help if nothing else than to amplify the candidate's messages in a media landscape at the top of the tick. >> reporter: former spokesman tim miller say there's a big concern many moderate republicans won't show town vote at all. >> it's critical that we maintain the senate and the house so that there's a check on hillary. >> reporter: maintaining control at the capital for some for 2016. >> that bring us to our question of the day, would you prefer to vote for your curb member of congress or an outsider? go to our website to vote. >>> our mission i