Photos of the Week: Ryan's Done (Almost), Zuckerberg Testifies and Two New Lawmakers Make Entrances

Congress returned from a two-week recess to an already busy week, made busier when Speaker Paul D. Ryan announced he would not seek re-election in November. Also this week, Facebook CEO Mark Zuckerberg spent three days on the Hill meeting with lawmakers on potential improper use of user data. And there's a new senator — Cindy Hyde-Smith, R-Miss. — and a new House member — Conor Lamb, D-Pa. — after two swearings in this week.  Here's the entire week in Washington in photos: Get breaking news alerts and more from Roll Call on your iPhone or your Android.