I was wondering about this myself. Politico asks the question much better than I could:
The unprecedented manhunt in Boston that concluded successfully Friday night earned law enforcement authorities the gratitude of the nation.
But as relief replaces fear, the debate about what this episode means for the future is already beginning. And one of the most unsettling questions is whether the violence-related lockdown of a major U.S. city — an extraordinary moment in American history — sets a life-altering precedent.
…
“When you have lives at stake, it’s up to law enforcement,” Ruppersberger said. “But it’s an accomplishment when someone shuts down an entire community and people can’t go outside and are told to stay away. We have to stand up as Americans to this. … We’ve got to continue to go to baseball games, continue to go to events. We can’t allow these people to shut us down.”
Read the full article on Politico.com.