While the Republicans hold a 55-45 seat advantage in the United States Senate goinginto the November elections, 18 Democratic seats and only 16 GOP Senate seats are up this year.
The pragmatic politician understands that goinginto the congressional elections in November, he has to convince the US public that he is a reliable ally for Israel and that he is credible on Iran.
In either case, Republicans will have (1) driven the debate for the next two years, (2) developed a strong brand goinginto the 2014 elections, and (3) send a strong message to the markets they will get government spending under control.