Chief Judge Merrick B. Garland of the United States Court of Appeals for the D.C. Circuit is seen in an undated handout picture

Chief Judge Merrick B. Garland of the United States Court of Appeals for the D.C. Circuit is seen in an undated handout picture. President Barack Obama will announce his nominee to the U.S. Supreme Court on Wednesday, he said in a statement released by the White House. REUTERS/US Court of Appeals/Handout via Reuters