No, I didn't know either. Though I can't say I am surprised. For more on various watch list absurdities, try this link.
Apparently it is going to take legislation to get Africa's venerable freedom fighter off the list. Congresswoman Barbara Lee, (D-CA-9) is pushing a bill to accomplish what some mortified bureaucrat with access to the data base should have done years ago. She explains:
And somebody -- get the keepers of these lists heads examined.