WASHINGTON, April 27 -- Donald Trump was sombrely contemplative and unusually conciliatory after confronting what he saw as a third attempt on his life in less than two years. He suggested that his personal politics had made him a repeated target, but he also called for unity and bipartisan healing in an increasingly violent world. "It's always shocking when something like this happens. Happened to me, a little bit. And that never changes," a subdued Trump told reporters in a hastily organized news conference at the White House late Saturday. Trump said he himself was undoubtedly the target. The presidency is "a dangerous profession," he said, noting that violence associated with politics had escalated in the US and around the world. "No co...