Greece wrestles with a new bailout.  Oil prices tumble.  Facebook makes a new friend.  And Harry Potter gets his own business.   Our analysts discuss those stories and share some stocks on their radar.  Plus,  fomer Motley Fool managing editor Lou Ann Lofton talks about the investing brilliance of Warren Buffett and shares some insights from her new book, Warren Buffett Invests Like a Girl and Why You Should Too.