GREENSBURG, Pa. (AP) — Fighting to stave off another special election embarrassment, the White House is strengthening its final-days offensive in western Pennsylvania. President Donald Trump has long been scheduled to rally voters on Saturday behind Republican congressional candidate Rick Saccone, a state representative whose underwhelming campaign has some Washington-based Republicans fearing the worst. It will be the president's second visit to the district on Saccone's behalf. Daughter Ivanka Trump appeared with Saccone in a separate visit last month as well and praised him as "a champion" for Republican priorities. The national GOP confirmed late Wednesday that Trump counselor Kellyanne...