Knockout punch?

It was a very good night for Barack Obama. 

He won North Carolina by a wider margin than expected, and nearly pulled of a victory in Indiana.  The net results is that he added to his pledged delegate lead, halted Hillary Clinton's momentum, and re-established himself as the (mostly) inevitable nominee.

The real question: What's Hillary's next move? She can continue campaigning, and take the battle to West Virginia and Kentucky, but to what end?  She can't overtake Obama in pledged delegates, and it's unlikely the superdelegates are going to find anything encouraging from her performance in Indiana.  Her fundraising is surely to dry up over the next few days, and don't be surprised to see a new wave of superdelegates come out for Obama.  It may be time for her to find an exit strategy ...