The Council on American-Islamic Relations once again is demanding an apology for an alleged slur of Muslims, this time asserting a veteran cartoonist has cryptically defamed Islam. The Washington, D.C.-based group sent out a dispatch to its e-mail list after a "B.C." cartoon last week by Johnny Hart was publicly questioned on a Washington Post Web chat page. The cartoon shows a caveman entering an outhouse at night, and then saying, from inside, "Is it just me, or does it stink in here?"