National Right to Life News2014 is most expensive non-presidential election ever says report by group ...The Times-Picayune - NOLA.comSen. Mary Landrieu, Rep. Bill Cassidy and Tea Party-backed candidate Rob Maness participated in the first major debate of the Louisiana Senate race in Shreveport on Oct. 14, 2014. (Julia O'Donoghue, Times-Picayune).