LAS VEGAS — There are the people on his side on the Iran deal, President Barack Obama said Monday evening. Then there are “the crazies.” Back from a notably uneventful and restful two-week vacation in Martha’s Vineyard, Obama was immediately on the road for a short trip here, first to speak at a green energy conference hosted by retiring Senate Minority Leader Harry Reid, then to raise money for his preferred successor, former Nevada Attorney General Catherine Cortez Masto. Ruddy from the sun, Obama described himself as “refreshed, renewed, recharged — a little feisty.” And he delivered, recounting the ride...