MOUNTAIN VIEW, Calif. — Mayor Bloomberg is decrying the state of the 2008 presidential race, faulting the major party candidates for offering shallow, simplistic prescriptions, and scolding the press for failing to demand more from those seeking the White House. During an appearance at Google's headquarters in Silicon Valley yesterday, Mr. Bloomberg said the televised debates among the presidential candidates have been, in essence, a waste of time. "They have absolutely nothing to do with the job and the qualifications. And they don't tell you anything about whether or not any of those candidates would be good or bad presidents....