HOLLYWOOD, June 30, 2000 -- Is the supermarket checkout line going too fast for you? Well, don’t worry. Beginning this week and (for every Friday hereafter), we’ll comb the tabs for the sort of news you're either too ashamed and/or too cheap to buy (and read) for yourself. Why will we do this? Quite simply, we have no shame. Without further ado, here’s a rundown of this week's Top 10 tabloid tidbits (from the just-released editions of the National Enquirer, the Star and the Globe): 1. Whitney