Gingrich hints he may drop out of GOP presidential race

What we're following: 

- Newt Gingrich hints he may drop out of GOP presidential race

- Fed struggles to spur slowest economic recovery in memory

- James Murdoch says he had no reason to suspect wrongdoing at his media company

And did you see...

- Pentagon forms new spy unit

- Wal-Mart faces federal criminal probe

- California voters to consider ending capital punishment