Facing criticism that he appeared disengaged from the disaster wrought by Hurricane Katrina, President Bush has been looking for opportunities to show his concern. But the White House will take the effort a step further Tuesday, venturing into untested waters by putting the nation's first lady on reality television. Laura Bush will travel to storm-damaged Biloxi, Miss., to film a spot on the feel-good, wish-granting hit "Extreme Makeover: Home Edition." Mrs. Bush sought to be on the program because she shares the "same principles" that the producers hold, her press secretary said. It's not clear exactly what Mrs. Bush will...