50% of Americans still incredibly stupid.

Do you believe in Iraqi "WMD"? Did Saddam Hussein's government have weapons of mass destruction in 2003?

Half of America apparently still thinks so, a new poll finds, and experts see a raft of reasons why: a drumbeat of voices from talk radio to die-hard bloggers to the Oval Office, a surprise headline here or there, a rallying around a partisan flag, and a growing need for people, in their own minds, to justify the war in Iraq.

Continued.