Photo near Pentagon public affairs office of late great Peter Jennings reporting in Vietnam

POTUS makes closing remarks at NATO summit, throws much love to Chicago

For the record, @PressSec sat coach on his flight to Chicago sunday

"Stormy, husky, brawling, City of the Big Shoulders: They tell me you are wicked and I believe them"

After which @brikeilarcnn received an honorary pin. #GirlScouts

At a #GirlScouts (@GSCNC) event, @brikeilarcnn speaks to Gold Award winners

It's starting to terrify me how much Leonard Cohen looks like my dad

Sasha Corgeiro of Phoenix Shoe Shine, 30th Street Station.

Woman of the hour! @RobinRoberts on @GMA set (@JoshElliottABC + @GStephanopoulos too)

Today's amazing celebrity sighting: brilliant LBJ biographer Robert Caro

Right before the show #ThisWeek (cc: @davidaxelrod, @SenJohnMcCain)

@janemarielynch at our local cupcake bistro

The rain falls on the just, and the unjust, and my cameraman Charlie.

Japanese PM Noda and POTUS in East Room

.@katiecouric my bberry died before i could send this one of Clare Danes + @BobSchieffer #nerdprom

.@katiecouric here's @JonahHill and Paul Rudd + Paul Rudd's beard

.@katiecouric this is @mrstapper and @elizabethbanks

.@KatieCouric me and @EricStonestreet

.@katiecouric at the abc/yahoo cocktail party: Sens. Klobuchar and Santorum

.@KatieCouric Here's @MrsTapper and @CraigNewmark (founder of @Craigslist) at the Garden Party