Stephen Dinan writes:

Saying that citizens who become terrorists are at war with the U.S., lawmakers on Capitol Hill introduced a bill Thursday to let the government strip them of their citizenship - and stirred up a debate over what tools should be used to fight the war on terrorism[Lieberman: Strip Terrorists of Citizenship, Newsmax, Friday, 07 May 2010]

What I don't get: why isn't citizenship routinely revoked from naturalized felons? Promotion of illegal immigration and programs like H-1b can be viewed as low level warfare. I expect more people have died via murders, accidents and drunk driving from illegal aliens that via 911.