BAGHDAD, Iraq - A sport-utility vehicle packed with artillery shells blew up Thursday in a crowd of people waiting to volunteer for the Iraqi military, killing at least 35 and wounding 138. Another car bomb north of the capital killed six members of the Iraqi security forces. The explosion in Baghdad, the deadliest attack since a bombing outside another recruiting center in February, was part of a surge of attacks on U.S. coalition forces and their Iraqi allies ahead of the transfer of sovereignty to Iraqis on June 30. The blast scattered bodies and debris across a four-lane highway outside...