And I also -- before I go any further -- I want to acknowledge one of my dear friends who is here with us, the First Lady of Mexico, Mrs.

WHITEHOUSE: Poetry Student Workshop at the White House

"I think it's so poignant that we're talking about Tim on Father's Day because he was a father to so many of us, " said California first lady Maria Shriver, who once worked for NBC.

CNN: NBC remembers Russert on first 'Meet the Press' since his death

Thank you for making us feel that way. (Applause.) To Pastor Wheeler, first lady Wheeler, thank you so much for welcoming us here today.

WHITEHOUSE: President Obama on Dr. King's Legacy

The First Lady worked with the US Tennis Association to build or refurbish more than 6, 200 kid-sized tennis courts across the country, sign up more than 250, 000 kids to complete their PALAs, and train 12, 000 coaches to help kids learn the sport of tennis.

WHITEHOUSE: Our Top Stories

She became the first-ever first lady to serve in the US cabinet.

BBC: Profile: Hillary Rodham Clinton

So does the First Lady and Supreme Court Justice Sonia Sotomayor and every one of us for whom a college degree meant an entry into a new world of possibilities, the American Dream.

WHITEHOUSE: Renewing the American Dream: For Our Future