My First Guest ...

Norma King, left, and Jenoa Blue, middle, hug Connie Leinicke, after the taping of "The Tonight Show" on Thursday, March 19, 2009, in Burbank, Calif. Leinicke gave them her extra tickets to see President Barack Obama on the late night talk show.

President Barack Obama, left, appears on "The Tonight Show" with Jay Leno in Burbank, Calif., Thursday, March 19, 2009.

NBC employees talk to President Barack Obama and Jay Leno during a commercial break as Mr. Obama appears on "The Tonight Show" with Jay Leno in Burbank, Calif., Thursday, March 19, 2009.

Members of the White House Press Corps watch from a holding room inside NBC Studios while President Barack Obama appears on "The Tonight Show" with Jay Leno in Burbank, Calif., Thursday, March 19, 2009.

President Barack Obama, left, appears on "The Tonight Show" with Jay Leno in Burbank, Calif., Thursday, March 19, 2009.

People gather outside the NBC Studios before President Barack Obama's arrival for an appearance on "The Tonight Show" in Burbank, Calif., on Thursday, March 19, 2009.