 Kotlikoff has denounced critics of the plan such as economist Paul Krugman and President Obama for demagoguery over word voucher—arguing that the current health care law relies on vouchers.He argues that the current Medicare program is unsustainable and that we have no choice but to embrace a plan with vouchers.In order to highlight his Purple Plans, Kotlikoff ran for the nomination of the Americans Elect platform in its short-lived effort to field a third party candidate in the 2012 Presidential election.