The White House said Friday that a 'high-altitude object' has been shot down over Alaska.President Joe Biden ordered the shootdown, spokesman John Kirby said, adding that the origin of the object has yet to be determined.Responding to reporters' shouted questions about the shootdown Friday afternoon outside the White House, Biden called the operation a "success."It comes just days after the U.S. shot down a Chinese surveillance balloon last Saturday, following a political firestorm.Kirby said the object was about the size of a small car and was at flying about 40,000 feet.He said because it posed a reasonable threat to the...