WASHINGTON - Retired Gen. Wesley Clark sought the political support of a Muslim group that is under FBI investigation for terror ties, sources told the Daily News. The Democratic presidential candidate's videotaped message was played Dec. 27 in Chicago for the annual conference of the Muslim American Society and the Islamic Circle of North America - a Queens group being probed by the FBI counterterrorism agents, said two federal law enforcement officials. Both groups have held conferences featuring speakers accused of terror ties and have published material supporting suicide bombings against Israel. Clark campaign spokesman Matt Bennett said yesterday they...