Warren Buffett: It would be 'asinine' if US defaults

NBC News - Warren Buffett said Wednesday the threat to not raise the nation's debt limit "after you've already spent the money" is a "political weapon of mass destruction" comparable to poison gas and shouldn't be used by either party.

"I know it's been used in the past, but we used the atomic bomb back in 1945 but we decided we weren't going to do something like that again," he said hours before the government's midnight deadline to raise the debt limit or possibly default.

Buffett called on both sides to pledge not to use the debt limit as a weapon. "There are plenty of weapons that can be used," like filibusters, he said.  Read more.