It'd be very good to pass some kind of major pro-choice initiative in the time to come, just to demonstrate that attempts to achieve political goals in America through acts of terrorism will be frustrated. Repealing the Hyde Amendment, perhaps? Or passing more powerful laws against intimidation at abortion clinics? I don't know what can be done, and Obama has plenty on his plate, so I doubt he'll be able to take on much new stuff. But you've got to show people who are willing to kill (and die) for various things that killing will have the opposite of the effect they want on our political system.