So much for the secret ballot...

This year, the Cook County, Illinois ballot is not a secret ballot.  On each ballot there is a number.  That number is recorded on a card with your name on it.  As a result, it is possible for election officials to match completed ballots up to individual voters.  This violates the right to a secret ballot: we are at the mercy of election officials not to match up ballots to voters.

I voted, but I'm not happy about this.  When did we give up the secret ballot?  Who authorized this?