Washington ( CNN ) -- The Chamber of Commerce is launching an ad featuring Kentucky Sen. Rand Paul , a favorite of libertarians , to build support for Alaska Republican Senate hopeful Dan Sullivan , who faces a challenge from libertarian third party candidate . Republicans and their allies have begun work to limit how much support third party candidates draw away from GOP candidates in states which could determine control of the Senate . In the ad Paul uses language libertarians would like to tout Sullivan , who is locked in a tight race against first term Democratic incumbent Sen. Mark Begich . Mark Fish , past chairman of the state 's libertarian party , is running as well and is the wild card there because drawing even a small amount of votes away from Sullivan could prove the difference in this key race . `` Washington is horribly broken . I am Rand Paul , and I am fighting to change that . But nothing is going to change when Mark Begich votes with his liberal Democratic friends 91 % of the time , '' Paul says in the spot . `` Washington takes too many of our freedoms and too much of our money . I think Dan Sullivan will get it back . To change Washington change your Senator . '' `` In states like Alaska , the Chamber is focused on the independent swing vote , and we think Sen. Paul is well positioned to deliver a message that appeals to them . This fits into our them this year of using credible messengers in target races , '' Chamber spokeswoman Blair Latoff Holmes says in a statement . Besides Alaska , some Republicans worry libertarian candidates could cost GOP candidates support in such key Senate battlegrounds as North Carolina , Georgia and Kentucky . The Chamber 's Alaska buy for the Paul ad is seven figures , and the spot will air statewide beginning Friday on broadcast as well as on line . Rand Paul blasts Obama as arrogant 'autocrat '
It endorsed third party candidates in several key Senate races , including Alaska . The Chamber of Commerce has launched ads featuring Kentucky Governor Rand Paul . Paul is a favorite of Libertarian leaning Republicans .