claim: says that in his book, rick perry said that "social security is unconstitutional."
author: mitt romney
evidence_1: rick perry is an american politician who served as the 47th governor of texas  from 2000 to 2015. he was a candidate for the nomination of the republican  party for president of the united states in 2012 and 2016, and currently serves as  the united states secretary of energy.
evidence_2: aug 12, 2011 ... progressives would say that “general welfare” includes things like social security  or medicare — that it gives the government the flexibility to tackle more ...  moreover, perry's belief that social security and medicare must cease to exist not  only puts him well to the right of his fellow republicans in congress ...
evidence_3: jan 19, 2015 ... perry: well, let me just say first, for those people that are on social security  today, for those people that are approaching social security, they don't have ...  romney: in writing his book, governor perry pointed out that in his view that  social security is unconstitutional, that this is not something the federal ...
evidence_4: sep 12, 2011 ... the web video correctly says that perry called social security a "failure" and a " ponzi scheme." as we wrote after the sept. 7 debate, perry called social security  a "failure" in his book "fed up!" (page 62) and a "ponzi scheme" in the debate.  but the ad is wrong to say romney supports "privatization.".
evidence_5: aug 28, 2011 ... critics say that there are inconsistencies between mr. perry's message and his  record and that this has eroded his support among some of those in texas ... in  his book, he called social security a failure that was “set up like an illegal ponzi  scheme ” and described congress as “arguably one of the most ...