An ambitious state-run high-speed rail train connecting Los Angeles and San Francisco has lurched, derailed, cost billions, and may never happen. A private company also has a high-speed rail project in the works, but that, too, has had its bumps. The absence of high-speed rail in the United States has become a stand-in for a broader question: Can America get its act together and still build big things? 60 Minutes reports, Sunday. #highspeedrail #rail #infrastructure