LETTY LYNTON (1932) I am on something of a Marie Belloc-Lowndes kick somewhat unexpectedly, though I didn’t write up The Lodger (1944) which I watched recently because I thought I had seen it but I hadn’t. With Merle Oberon as the vivacious Kitty, George Sanders as the sleuthing Inspector Warwick and a swivel-eyed Laird Cregar…