President Obama

… But their relationship was severely strained after Mr. Boehner abandoned their budget talks in July, came back and then walked out a second time. And after what the White House saw as a third strike this month – Mr. Boehner’s humiliating public rejection of Mr. Obama’s requested date for an address to a joint session of Congress – the Obama team called Mr. Boehner out.

From New York Times – Obama Draws New Hard Line on Long-Term Debt Reduction – September 20, 2011