Cartoonist Aaron McGruder is set to shock and offend Mainstream America once again when his "The Boondocks" cartoon premieres on Cartoon Network's Adult Swim this weekend. The cartoon, which premieres Sunday (Nov. 6) at 11p.m., picks up where McGruder's irreverent comic strip leaves off. The 30-minute series chronicles the life and times of the Freeman brothers-10 year old revolutionary Huey and 8 year old misfit Riley (both voiced by Regina King of Boyz In The Hood and "227" fame)-and their grumpy "Grandad" (John Witherspoon of the Friday series). The show will also feature guest appearances from Xzibit, Charlie Murphy and...