Shuttle Enterprise arrives in NYC

What we're following: 

- Shuttle Enterprise arrives in NYC

- U.S. economic growth slowed in the first quarter

- USDA says California mad cow was lame, lying down at dairy

And did you see...

- U.S. to move 9,000 Marines out of Okinawa

- U.S. offers safe passage to Afghan Taliban leaders

- Colts draft Andrew Luck at #1 in NFL draft