He absolutely made mistakes. But the reality on the "grand bargain" is that Cantor and Ryan stabbed Boehner in the back. The reality is Ryan is FOS about supporting Simpson-Bowles.
The reality is Ryan and the TP would never vote for any tax increases. So to have a premise it would happen is wrong.
The reality is Ryan and the TP would never vote for any tax increases. So to have a premise it would happen is wrong.