Legal Magic for Pot Stops via AlterNet

Here are "Magic" Phrases for Pot Stops
http://www.alternet.org/drugs/4-magic-phrases-use-if-cops-stop-you-pot

"The United States Constitution gives you rights that protect you during police encounters. It is the job of the police to find evidence of a crime. It is not your job to confess or help them. They get paid quite well, so please do not do their job for them. Your job is to do and say the right things to protect yourself and defend your rights."

Am I free to go?
I do not consent to any serches.
I want to remain silent.
I want a lawyer.