Sure officers come right in. What's that? You don't have a warrant? Not really looking for anything? Just want to make sure the house is clean?
No problem at all! Just trying to be polite and helpful.
Wow, way to stretch it out there ace.
Histrionics, line one, histrionics...
In the UK the cops are now going door to door to see what you are eating!
http://www.telegraph.co.uk/earth/environment/4214024/Dont-throw-away-leftovers-warn-food-police.html
Not even remotely comparable. In the case of an accident report, the police have an obligation to insure that the information contained therein is accurate, and that includes verifying the claimed identities of those who have given statements.
To settle it once and for all, the Supreme Court has ruled that the police have the right to expect ID. See Hiibel v. Sixth Judicial District Court of Nevada