NEWPORT NEWS, Va. - Spraying the bubbles from sparkling wine across the enormous gray bow of the USS George H.W. Bush, the Bush family on Saturday christened the nuclear-powered aircraft carrier named after the 82-year-old former president. "I know you join me in saying to our father, President Bush, your ship has come in," the current president said during a ceremony for the last of the Nimitz-class carriers, the CVN 77. "She is unrelenting, she is unshakable, she is unyielding, she is unstoppable," Bush said, lauding the warship's state-of-the-art design before pausing for a punch line aimed at his mother's...