"You may want to just wear logos if you're running for president: 'sponsored by so-and-so.' I mean it's going to get to be like NASCAR where everybody should put logos on your suit," he told National Journal.
Graham said that all a campaign really needs is one major donor.
"Basically, if you can get an ideologically aligned rich person who believes in you ... and they want to be a player in politics, you can keep a campaign going as long as the guy's willing to write checks," he said. "Which changes everything."