Louisiana Republican Rep. Bill Cassidy is challenging incumbent Democratic Sen. Mary Landrieu this year.
Cassidy, a doctor, ran this ad when running for state senate that includes a proposal for a statewide health exchange.
Here's a screenshot:
As a state senator, Cassidy would attempt to fulfill his campaign promise and in 2007 offered a bill that would create a state-run exchange where individuals could buy insurance.
Andrew Kaczynski is a political reporter for BuzzFeed News and is based in New York.
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