Trillion-dollar coin

Will the government default on its debt if the ceiling isn't raised? According to James Galbraith, the government legally can't default.

Debt ceiling drama a ‘farce’ since US can’t legally default: economist

Could the nation's debt crisis be solved by a single coin? Every day the U.S. gets closer to default, the calls grow louder for a trillion-dollar solution.

The trillion-dollar coin: A gimmick or a real solution to the debt crisis?