Because his red line in Syria was such a smashing success?
Via NRO:
White House press secretary Jay Carney said the president will not negotiate on raising the debt limit until the government is reopened. He argued that doing otherwise would set an “irresponsible” precedent between the legislative and executive branches in future negotiations.
“The president is drawing a line here,” Carney said at Thursday’s press briefing. “We cannot do it. He will not do it.”