Neil Patrick Harris, right, with the Obamas. More photos from the National Christmas Tree Lighting on the Ellipse. (Carolyn Kaster/AP)

How hot is Range? It hasn’t even opened yet:

Harris and fiancé David Burtka were the only patrons in the place, getting a special preview meal from chef Bryan Voltaggio and the staff in training for its Dec. 18 opening.

See video of Christmas tree lighting, below. Is it our imagination or did the normally suave star sound a little nervous, at one point talking over the president?

(Video link: National Christmas tree lighting 2012)

Also in The Reliable Source:

Read this: Newt Gingrich’s moon shuttle; Putin makeover; Peter Travers, blurb machine

Watch David Axelrod shave his mustache (video)

Holiday plans another casualty of fiscal cliff vote

Quoted: Jenna Bush’s favorite southerners

Michelle Kwan, bureaucrat: Skating champ now has State Department job

Mickey Edwards on how to fix Congress

Kennedy Center Honors after-party: Led Zeppelin charms the room, Letterman leaves early