Should Brokers Use 'Voice Prints' For Stock Transactions?

Fidelity and Charles Schwab now allow traders to use "voice prints" to authorize stock transactions. But there's more to the story, argues long-time Slashdot reader maiden_taiwan:
Fidelity Investments is touting its new security feature, MyVoice, which allows a customer to access his/her financial accounts by telephone without a password. "When you call Fidelity, you'll no longer have to enter PINs or passwords because Fidelity MyVoice helps you interact with us securely and more conveniently. T