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.
Anthony KennedyThe 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.
Anthony KennedyThe case for freedom, the case for our constitutional principles the case for our heritage has to be made anew in each generation. The work of freedom is never done.
Anthony Kennedy