"It obviously at this point is just a mess," new White House press secretary Tony Snow said good naturedly, summing up his rocky first question-and-answer session with reporters.During 23 sometimes-chaotic minutes Friday with the White House press corps in his West Wing office, Snow offered a half-dozen apologies for a less-than-smooth debut, pleaded ignorance on seven questions and ruled out all talk of international or currency issues."I do not wish to set off global tempests," he said, "because I frankly just don't know enough on those." (snip) Snow is waiting until Tuesday to hold his first televised briefing, taking advantage...