Claim: The 30 percent tax rate called for under President Barack Obama's proposed Buffett Rule "is lower than the prescribed tax rate for millionaires already -- not just for millionaires, for people making over $200,000."
Fact-check: Joe Biden says people earning $200,000 already pay 30 percent tax rate
Verdict: half-true
Organisation: PolitiFact
Author: Louis Jacobson
Date published: 2012-04-13T00:00:00