Anyone can propose legislation. To have it considered, you need to persuade a Member to introduce it. If Santorum sees a path forward, let him try. Are you waiting for Trump to come up with something? Trump has done nothing at any point on health care except to tweet about other people's bills. And to continue to pay the Obamacare subsidies.
This is attentionwhoremongering and an attempt to still look "relavent"; which STINKS!