ALMOST ROCK-BOTTOM…. It’s easy to forget, but Illinois Gov. Rod Blagojevich (D) had a very low approval rating before he was arrested. How far has his support dropped in light of this week’s revelations?

The vast majority of Illinois voters want scandal-plagued Gov. Rod Blagojevich to immediately resign as governor, according to a new poll conducted by the Glengariff Group.

The poll shows 70 percent of voters believing that Blagojevich should resign now, while only 25 percent should wait until he is proven guilty. A 73 percent majority support the impeachment of the governor – including a majority of Democrats – with 58 percent “strongly supporting” his impeachment.

His approval rating, meanwhile, has tanked to seven percent.

“There are no bright spots for Governor Blagojevich in these numbers,” said Glengariff Group CEO Richard Czuba. “Governor Blagojevich no longer has a base of support from which to govern.”

As for what those seven percent were thinking, maybe they misunderstood the question.

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Follow Steve on Twitter @stevebenen. Steve Benen is a producer at MSNBC's The Rachel Maddow Show. He was the principal contributor to the Washington Monthly's Political Animal blog from August 2008 until January 2012.