By Andy Sullivan WASHINGTON (Reuters) -The U.S. Senate voted on Wednesday to overturn recent changes to Washington’s laws that lowered penalties for some crimes, as Democrats’ support for self-governance in the nation’s capital takes a back seat to public-safety concerns. The 81-to-14 vote marks only the fourth time that the U.S. Congress has overturned a law passed by the District of Columbia, whose 700,000 residents do not have representation on Capitol Hill. The measure has already passed the... Read this story