Sometimes it is easy... to enhance your prestige by not exercising your responsibility, but that's not been the tradition of the court.
Asking questions is an essential part of police investigation. In the ordinary sense a police officer is free to ask a person for identification without implicating the Fourth Amendment.
The remedy for speech that is false is speech that is true. This is the ordinary course in a free society. The response to the unreasoned is the rational; to the uninformed, the enlightened; to the straight-out lie, the simple truth.
The First Amendment is often inconvenient. But that is beside the point. Inconvenience does not absolve the government of its obligation to tolerate speech.
We must never lose sight of the fact that the law has a moral foundation, and we must never fail to ask ourselves not only what the law is, but what the law should be.