Some of the squat, ageless comedian’s new material is sharp — you may never drink Starbucks’ decaf latte in quite the same way after his dead-on diatribe. But too much of the too-short Jackie Mason: Love Thy Neighbor sounds like remnants from Mason’s earlier comedy-clubbish acts, with the requisite comments on politicians, overly mannered celebs (enough with the Ed Sullivan imitation, already!), and the ancient tribal differences between Jews and Gentiles. (TC) B-