Dawn of a beautiful Today

NBC's morning show Today is getting ready to score a milestone: 500 straight weeks at number one. Despite a growing challenge by competitors ABC's Good Morning America and CBS' The Early Show, the NBC stalwart is expected to be the top dog when the ratings come out on Thursday.

The show, hosted by Matt Lauer and Katie Couric and featuring jolly Al Roker on the weather, has seen some of its lead erode lately, with GMA sneaking up in the ratings. A recent interview featuring Tom Cruise arguing about psychiatry with Lauer helped Today boost ratings, as did an interview with Deep Throat reporters Woodward and Bernstein.

GMA executive producer Ben Sherwood said it's a "remarkable achievement. It's the morning-television equivalent of the Joe DiMaggio 56-game streak. We know streaks will be broken."

Whatever the future holds, today is the first day of the rest of Today's life.

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