​Calendar: Week of September 7

Here's a look at the week ahead on our "Sunday Morning" Calendar:

Monday, of course, is Labor Day, a holiday to honor all Americans who work for a living.

On Tuesday, Stephen Colbert takes over as host of "The Late Show" right here on CBS.

Are you in on the Stephen Colbert raffle?

On Wednesday, Queen Elizabeth surpasses Queen Victoria to become Britain's longest-reigning monarch, at 63 years, 7 months, and 3 days.

Thursday sees the NFL season kick-off, with the Pittsburgh Steelers facing the New England Patriots ... with quarterback Tom Brady on the field.

Friday is Patriot Day -- and the National Day of Service and Remembrance, marking the 14th anniversary of the 9/11 attacks on the World Trade Center and the Pentagon.

And on Saturday, the ABBA-inspired musical, "Mamma Mia," closes in New York after 5,773 performances ... making it the eighth-longest running show in Broadway history.

  • "Mamma Mia" at the Broadhurst Theatre, New York City (Through September 12)