EXETER, N.H. - Wise-cracking funnyman Al Franken yesterday body-slammed a demonstrator to the ground after the man tried to shout down Gov. Howard Dean. The tussle left Franken's trademark thick-rim glasses broken, but he said he was not injured. Franken - who seemed in a state of shock and out of breath after the incident - was helped back to his feet by several people who watched the tussle. Police arrived soon after. "I got down low and took his legs out," said Franken afterwards. Franken said he's not backing Dean but merely wanted to protect the right of people...