American politician Joe Heck ran unsuccessfully against Democrat Catherine Cortez Masto, a woman who previously served as the 32nd Attorney General of where?
Joe Heck:  He ran unsuccessfully against Democrat Catherine Cortez Masto in the general election for the open Nevada United States Senate seat in 2016. Catherine Cortez Masto:  She previously served as the 32nd Attorney General of Nevada from 2007 to 2015.
i don't know