Sen. Catherine Cortez Masto, D-Nev., speaks during a roundtable discussion at the Southern Nevada Traffic Management Center Tuesday, Nov. 21, 2017, in Las Vegas. Bizuayehu Tesfaye Las Vegas Review …

Sen. Catherine Cortez Masto, D-Nev., speaks during a roundtable discussion at the Southern Nevada Traffic Management Center Tuesday, Nov. 21, 2017, in Las Vegas. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye