Maybe someone with a strong legal background can provide some input, but handwriting has some legal weight as a form of self-identification and validation. It's not easy for an average person to forge another's signature and differences in writing - even supposedly "good" forgeries - are visible even to my untrained eye.
Originally Posted by Outlaw Star
If you believe people should work till they die to pay for a government worker to retire at 50, you're a Democrat. Otherwise, you're a Republican. All other differences between the parties are trivial.