Radio is becoming the home of screen comebacks. First it was Bebe Daniels in "Rio Rita," and now it is Rod LaRocque in "The Delightful Rogue." He is all of that. Rod, infrequently seen on the screen of late, comes through with a superb performance as Lastro, the pirate. Incidentally, we have been waiting for years for the heroine to give the hero the go-by and marry the villain. At last, in this romance, the heroine chooses Lastro, the pirate. We know that, at least, she will never be bored. All Talkie.