Hill staffers and PGA professionals mingle Wednesday at this year's National Golf Day event on Capitol Hill, which included an annual Democrats versus Republicans putting challenge. Emily Jan/NPR hide caption

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A handout image provided by the Israeli Government Press Office shows Prime Minister Benjamin Netanyahu and his wife, Sarah, leaving Tel Aviv on their way to Washington Sunday. Handout/Getty Images hide caption

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House Speaker John Boehner listens as President Obama speaks to media during a bipartisan, bicameral leadership meeting at the White House this week. Boehner and others have reacted dismissively to Obama's tax overhaul plan. Carolyn Kaster/AP hide caption

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President Obama meets with congressional leaders in the Old Family Dining Room of the White House on Friday. The president signaled a desire for bipartisan cooperation, but important differences remain between the White House and GOP lawmakers. Evan Vucci/AP hide caption

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Ukrainian President Petro Poroshenko, joined by Speaker of the House John Boehner and Vice President Joe Biden, acknowledges lawmakers' applause after addressing a joint meeting of Congress. J. Scott Applewhite/AP hide caption

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House Speaker John Boehner, R-Ohio, on Capitol Hill on Thursday. Boehner says Congress stands ready to work with the president on the threat from Islamic State militants. J. Scott Applewhite/AP hide caption

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During a December news conference, House Speaker John Boehner rebukes conservative groups who opposed the bipartisan budget compromise. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP