Republicans suffered a fresh blow in Missouri after the Supreme Court blocked a congressional map that could have helped the GOP gain another House seat in November.The ruling, handed down last week, means Missouri will use its 2022 congressional map instead of the new boundaries backed by President Donald Trump and Missouri Republicans.Missouri held its August primary under the new map, meaning candidates won their party nominations based on one set of district boundaries. But those boundaries will change before the November election, when Missouri is expected to return to its 2022 map.TRUMP...