President Donald Trump has signaled he thinks private investment is the solution to the nation’s infrastructure woes. And he has outlined a way to draw it off the sidelines. Critics of public-private partnerships say that only low-risk, lucrative projects will fly. Proponents say that they can speed up what can be a cumbersome process, accelerating public works projects and bringing a sense of competitive capitalism—and accountability—to projects that could use them. (www.politico.com) 更多...