Catherine Rampell at The New York Times: Could Obama Just Ignore the Debt Ceiling?
Ryan Grim at The Huffington Post: 14th Amendment: Democratic Senators See Debt Ceiling As Unconstitutional
Beowulf has already told us some time ago that the Supreme Court decided that Congress does not have the authority to renege on obligations previously entered into on behalf of the United States. See Perry V. United States, 294 U. S. 330 (1935).
Now do the spineless Democrats have the spine to do this? That question answers itself.