Arrested for asking a policeman for his badge number

http://www.facebook.com/ext/share.php?sid=88411872214&h=fKeWE&u=swBZA&ref=nf

This, of course, happened in the U.K., but could it happen here in the U.S.? A little research might just show that it can, has and does. It is a Police State when the police have power rather than authorized and controlled authority over citizens.