• Reliable Source:Bill Gates, Russell Simmons, Snoop Dogg, Cyndi Lauper will be in town this weekend for various events. [WP]

• Inside Politics:Gingrich on 2008: "There are circumstances where I will run." [WT]

• Cindy Adams: Rumors predict Bob Woodruff and Elizabeth Vargas will anchor "World News Tonight". . . Barbara Walters' interview with Saudi Arabia's King Abdullah will air tonight; he asked her to chat. . . Miers nomination has split conservatives into "economists" and "culturalists." [NYP]

• Page Six: Terror threat doesn't keep Dean from riding the New York City subway. [NYP]