>> president obama and democrats have said the fed has to remain independent. perry wants greater transparency, which isn't really new for conservatives. when it comes to fellow republican ron paul he has been saying the fed should be abolished for decades. >> shepard: today we find out where he stands on global warming. >> that's right. as governor perry kind of scoffed at global warming caused by carbon pollution, man made pollution. scientists say he has been scoffing that for years. this is the first time he has said it as a presidential candidate. he complained most government proposals to cut pollution could cost businesses hundreds and he even said trillions of dollars. >> i don't think from my perspective that i want america to be engaged in spending that much money on still a scientific theory that has not been proven and, from my perspective, is more and more being put into question. >> perry's credit dicks note