By Lawrence Hurley and Nate Raymond WASHINGTON (Reuters) -The U.S. Supreme Court on Friday reinstated convicted Boston Marathon bomber Dzhokhar Tsarnaev’s death sentence for his role in the 2013 attack that killed three people and wounded more than 260 others, ruling in favor of the federal government. In a 6-3 decision, the justices sided with the Justice Department’s challenge to a 2020 federal appeals court ruling that had upheld Tsarnaev’s conviction but overturned his death sentence. Because President Joe Biden’s administration has imposed a moratorium on the death penalty in federal case…