At the Movies, idiot humor rules as the Jim Carrey flick Dumb and Dumber (right) grosses $16.2 million in its opening weekend. ON TV, Home Improvement nails down the No. 1 position. It is one of six ABC programs in the top 10 that week. In Bookstores James Finn Garner’s Politically Correct Bedtime Stories spins in place at No. 1. An in the News, after several hours of arguments, Judge Lance Ito postpones a ruling on whether to admit DNA test results into the O.J. Simpson trial. He later decides in favor of the evidence.