An expansion of the taxpayer-financed boondoggle that is the Las Vegas Monorail won’t be ready in time for the 2020 NFL season when the Raiders are expected to begin play in the Las Vegas Stadium. City planners want to extend the monorail from its current southernmost stop at MGM Grand about one and a quarter miles down to Mandalay Bay, allowing patrons easy walking distance to the new stadium at the corner or Russell Road and Interstate 15. The project is expected to cost about $24 million. Las Vegas Monorail Co. has yet to break ground on the project as...