President Obama guide to Medicare TV commercial launches.
"The new AARP Voter Guide is out with facts you need on Medicare.
Fact: Barack Obama will protect your guaranteed benefits and will not allow Medicare to become a voucher program.
Fact: Mitt Romney would take away Medicare as guaranteed benefits and instead give future retirees "premium support" or vouchers.
AARP apposes that plan and non-partisan analysts say it could raise seniors' costs up to $6,400 a year."