THE PAT SAJAK SHOW
CBS; weeknights, 11:30 p.m. on most stations
Take on Johnny Carson? Don't make us laugh. Failed challengers to the Tonight show king have piled so high in recent years that noting them has become an exercise in sadism. The surprise last week was that Pat Sajak, whose late-night talk show on CBS debuted to friendly reviews and better-than- expected ratings, proved instantly that he is the man to beat as Johnny's spiritual heir.
Actually, the Pat Sajak Show has stationed itself carefully between those twin towers of late night, Carson and David Letterman. Like Letterman, Sajak has...