There are many congressmen raising questions about the proposed bailout of Wall Street, but the most vehement and outspoken opposition I have heard so far is this 5-minute gem by the Democratic representative from Oregon.
I haven't been able to locate a fulltext on his congressional website or elsewhere, although his concluding sentence gives a taste of the flavor of his speech:
"We shouldn't be rushed into this. If it takes a week, two weeks, three weeks, a month, the world will wait," DeFazio said. "They'll wait for a thoughtful plan that cures the disease in addition to getting us beyond this initial problem. That's the job of this Congress. We should not be rolled by our Wall Street exec who is masquerading as secretary of the Treasury."