Susan Davis reports on the Republican Party.

Texas Republican Rep. Ron Paul took to the cable networks today to jab back at South Carolina Republican Sen. Lindsey Graham, who over the weekend said he would not sit back and watch the Texan “hijack” the GOP with his brand of Republicanism.

“My first reaction would be, ‘What does he have against the Constitution?’ And the supporters I have support me because I’m a traditional conservative and I support the Constitution,” Paul told CNN in an interview tonight.

He cited Graham’s support of TARP funds and the wars in Iraq and Afghanistan and “all the big government things” as examples of why his supporters feel lukewarm about the GOP. “These are the things that constitutional conservatives don’t support,” he said.

The spat was sparked during a contentious Oct. 12 town hall meeting in Greenville, S.C., when Graham engaged in verbal combat with constituents who questioned his GOP credentials and urged him to be a little more like Paul. (Click here to watch the video.)

“I’m going to grow this party. I’m not going to let it be hijacked by Ron Paul,” Graham said to jeers. One heckler called out: “You’re the one that hijacked it!”…