While actor Ed Asner was in Boulder, Colo., this weekend to address the national convention of the American Civil Liberties Union, a vandal painted a swastika and the words "Kill Jews" on his home in Studio City, Calif. A man saying he represented the National Socialistic Liberation Front called the Associated Press to say his group was responsible for the vandalism . . .

Talk about smart business. "Dynasty" star Diahann Carroll called for reservations at Donna Adele, the new "in" Italian restaurant on P Street, for last Friday night. Someone there remembered that Carroll and singer Vic Damone are an item, so when she came to dine, she ate to the smooth sounds of Damone and some of her own recordings played over the restaurant sound system . . .

"In the Belly of the Beast," which opened Friday night at the Kennedy Center, is an emotionally wrenching experience. All during the 90-minute nonstop performance, Peter Sellars, director of the American National Theater, stood at the side of the theater's makeshift wooden bleachers watching intently. At the end, when Jack Henry Abbott, stunningly portrayed by William L. Petersen, was slammed once again with such finality into still another prison cell, Sellars was quietly weeping . . .

Former HEW secretary Joseph Califano, former Carter deputy press secretary Pat Bario and Alexis Herman, chairman of the National Commission on Working Women, are expounding the liberal viewpoint on radio. Sponsored by the Paulist Fathers and Redemptorist Fathers, the three, each taking a week in turn, broadcast daily during drive time over AP Satellite Radio . . .

In this era of well-orchestrated oratory, the well-spoken Indian Prime Minister Rajiv Gandhi was speaking before the joint session of Congress when Rep. Robert J. Mrazek looked up with surprise and said to a colleague, "My God, he isn't using a TelePrompTer" . . .