P.M. Headlines

(New York Times): "Obama challenges Boehner on budget vote"

(TPM): "White House: Obama will never negotiate on the debt limit again"

(Greg Sargent): "Senate Dems to call GOP’s bluff on debt limit"

(Washington Post): "Republican disapproval grows in budget battle, Post-ABC poll finds"

(Political Wire): "Coburn dismisses debt ceiling"