Senator talks all night as Democrats fight Trump court nominee

By Lawrence Hurley and Richard CowanWASHINGTON (Reuters) - A Democratic senator delivered a 15-1/2-hour, all-night speech denouncing President Donald Trump's U.S. Supreme Court nominee on Wednesday, joining an effort to block Senate confirmation of Neil Gorsuch in a heated political showdown with Republicans.Oregon Senator Jeff Merkley began his speech on the Senate floor Tuesday evening and wrapped up mid-morning on Wednesday.The Senate was expected on Thursday to hold a vote to try to end a De