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.