WEEKEND TV : Roundball and Political Hardball

This weekend’s viewing choices will be highlighted by the men’s NCAA basketball tournament, an interview with former Soviet President Mikhail Gorbachev, a package of films by and about women and the final telecast of ABC’s “Business World.”

Public Affairs: TODAY: “Today” looks at the current housing market, an Oscar preview, dog-training and new baby products, 6 a.m. (4)(39); 7 a.m. (36). . . .