District of Columbia residents are not entitled to voting representation in the U.S. House of Representatives, the Supreme Court ruled, affirming a lower court decision. The ruling came after the House approved legislation in April to make D.C. the 51st state, but the bill stalled in the Senate. Democrats support the measure, arguing that all U.S. citizens should be represented in Congress; Republicans oppose it because they believe the framers of the Constitution did not want D.C. to become a state, and because the new state’s two senators would almost certainly be Democrats in the Democratic Party stronghold. The case is Castañon v. United States, court file 20-1279. The ruling, which summarily affirmed a lower court decision, came Oct. 4. There were no oral arguments. In the brief unsigned order Justices Clarence Thomas and Neil Gorsuch indicated they would dismiss the appeal for lack of jurisdiction. They did not elaborate. …