Brack Obama launched his week-long world tour with a brief stop in Kuwait and then began a longer visit to Afghanistan, ahead of planned stops in Iraq, Jordan, Israel, Germany, France and England. The highly anticipated trip was launched in secrecy, with Obama’s campaign refusing to confirm that he had left the country, citing security reasons. The campaign announced early Saturday morning that Obama was on the ground in Kabul, Afghanistan. The U.S. military later said Obama was greeting U.S. troops at Jalalabad airfield in eastern Afghanistan. Obama made a secret stop in Kuwait and visited U.S. service members, then...