With full White House support, America should be running high-speed railroads by the end of the decade, writes John Rosenthal. Such trains “consume less fuel, produce less carbon dioxide, and promote urban redevelopment, which has broader environmental benefits,” said Kevin Brubaker, deputy director of the Environmental Law and Policy Center in Chicago. However, Joseph Szabo, head of the Federal Railroad Administration, reminds us: “This is a 40-year build-out, just like the Interstate Highway System was in the 1950s.”