President Obama and Republican senators had a “good exchange of ideas” this evening during their roughly two-hour-long dinner at the posh Jefferson Hotel, just blocks from the White House, according to a senior administration official. Sen. John McCain, R-Ariz., gave the meeting a thumbs up as he exited the hotel, saying it was “just fine,” “great” and “wonderful.” McCain told reporters gathered across the street that it was a “very enjoyable evening,” but declined to discuss specifics. Obama invited 12 GOP senators to break bread as part of a larger effort to jump start budget negotiations and try to cut...