Republican Ron Paul is best known for his strong libertarian views. His slogan, "The Taxpayers' Best Friend", emphasizes his strong — and sometimes controversial — takes on fiscal conservatism, while his social policies, which includes ending the federal War on Drugs and legalizing marijuana, as well as his belief that the federal government should not be involved in wedge issues such as gay marriage, leading to a more negative nickname, "Dr. No", for his votes against much of the legislative agenda of both parties in Congress.