the president to somehow commit to attack iran under certain conditions? >> look at this from prime minister netanyahu's viewpoint. he has 57 days of leverage over president obama between now and the election to draw together some commitments about how far they will let the iranian program go. after election day, if president obama is re-elected, that leverage is gone in a few months. if romney comes in, they have concerned as well because it will take a year, year and a half to get his feet on the ground and understand the dimensions of what is there. in this case the case of red lines is a strange one to bring up. the u.s. and israel together have set red lines together in the past, and the iranians have