Los Angeles news online: Letter on Muslim radical roils GOP Senate race Letter on Muslim radical roils GOP Senate race ================================================================================ politics on 09/03/2010 07:05:00 Website posts text contradicting Tom Campbell's claim of writing on behalf of donor Sami Al-Arian before 9/11. Terrorism and the Middle East are continuing to roil the Republican Senate contest after a letter written by former congressman Tom Campbell emerged that appeared to contradict statements Campbell and his aides had made about his dealings with a radical Muslim professor.