CBS is planning a JAG spinoff about naval crime investigators, it was announced today at the Television Critics Press Tour in Hollywood. Joked CBS chief Leslie Moonves: "For those who say we aren't introducing a new CSI this year... Maybe we are!" But no worries, Catherine Bell fans — JAG's current cast will remain intact. In other CBS news, the Eye is staging some February sweeps casting stunts. Cheers alums Kelsey Grammer and Ted Danson will enjoy a reunion of sorts when Grammer visits Becker on Feb. 16. Meanwhile, Tyne Daly reunites with Cagney & Lacey co-star Sharon Gless, who guests on Judging Amy's Feb. 11 episode. Rosie O'Donnell also visits Amy as a family court judge on Feb. 25.