James Carville, former strategist to President Bill Clinton, had a strongly worded message for young voters who refuse to vote for President Joe Biden. Carville went on an expletive-laced rant aimed at young voters who are weary of voting for a second Biden term. The Democratic strategist told them to “get off your motherf—— a– and go vote,” RadarOnline.com has learned. On Sunday, Carville warned the “little f—— 26-year-olds” that they would have “no rights left” and would be living “under a theocracy” if Donald Trump wins in November. “So, I hear this a lot,” Carville said in a video…