In recent months, you’ve heard stories about whether the Oakland A’s might move their major league baseball franchise to Las Vegas. Seventy-five years ago, the state of Nevada achieved a new distinction for itself: Two new minor league baseball teams. At the time, Nevada’s population was pushing toward 150,000 — not much for a state with 110,000 square miles. Reno was nearing 50,000 residents and Las Vegas was at just over 20,000. Could those two towns support baseball teams?