Rising tensions in the Mideast cast a shadow over the start of the first direct Israeli-Palestinian peace talks in nearly two years Wednesday, and leaders at the Washington summit vowed to press on with negotiations. Unidentified gunmen shot and killed four Israelis in what appeared to be a drive-by shooting outside a Jewish settlement near the West Bank town of Hebron. Charles Levinson has the latest from Jerusalem. A day after gunmen from the militant Islamist group Hamas killed four Jewish settlers in the West Bank, Palestinian security services detained dozens of alleged Hamas members, and thousands of settlers turned out for emotional funerals.In Washington, President Barack Obama, speaking alongside Israeli Prime Minister Benjamin Netanyahu at the White House, warned militant groups that the U.S. and its allies were undeterred."The message should go out to Hamas and everybody else who is taking credit for these heinous crimes that this is not going to stop us from not only ensuring a secure Israel but also securing a longer-lasting peace," Mr.[Read more...]