Walter Cronkite, the baby-boomer's Voice of Authority, died Friday. He's remembered fondly in Houston, where he worked at the paper at what was then Lanier Junior High, attended San Jacinto High and worked at the Houston Press. (No, not the current Houston Press; the afternoon daily that brought a little tabloid flavor to town.)Here's a brief tour of Cronkite's Houston:He lived, according to legendary Lanier teacher Jim Henley, in the 1800 block of Marshall after his family moved from Kansas Cit