U.S. Sup. Ct.
11-465
The Antiterrorism and Effective Death Penalty Act of 1996 (AEDPA) provides that a federal habeas court may not grant relief to a state prisoner whose claim has already been adjudicated on the merits in State court, 28 U. S. C. §2254(d), unless the claims adjudication resulted in a decision that was contrary to, or involved an unreasonable application of, clearly established Federal law, as determined by [this] Court, §2254(d)(1), or based on an unreasonable determination of the facts in light of the evidence presented in the State court proceeding, §2254(d)(2).