More than a few people—some of them on air at Channel 6—were wondering if sports anchor Dave Webber was drunk during his 10 p.m. live report from Kansas City on Friday.Standing in KC's Country Club Plaza on the eve of the Big 12 footbal championship game, Webber at times sang, giggled, shouted at those back in the studio, rambled incoherently, and generally gave the impression of having had about