America doesn't have the fortitude for any sort of war. They're best off just being prudent. And of course, many of them need to stop acting like dicks all the time.
A cop's job is to be a dick all the time. The problem is too many citizens not realizing their job is to be law-abiding.
American citizens will not stand for the assassination of LEOs very long. The quiet majority that respects officers will rise to support cops instead of gutless assassins.