Answer to this week's riddle

Travis Hale

Again, the riddle:  

One bizarre, and somewhat facetious, workaround for the debt ceiling would be to issue and deposit what into the U.S. Treasury? 

Answer:  A couple of platinum coins worth US$ 1 trillion each.

Source: http://www.washingtonpost.com/blogs/wonkblog/wp/2012/12/07/could-two-platinum-coins-solve-the-debt-ceiling-