Infrastructure is among health care, immigration, trade and other pressing topics on the American political agenda that need immediate attention. It’s also one of the most difficult problems to solve because it’s expensive, divisive and downright complicated. Nevertheless, Wharton finance professor Robert Inman makes a compelling argument for why government officials need to make infrastructure a priority. He was part of a recent Penn Wharton Public Policy Initiative seminar on Capitol Hill on the topic and joined the Knowledge at Wharton radio show , which airs on SiriusXM Channel 111, to discuss what it would take to finance improvements, and the role government should play. An edited transcript of the conversation follows. Knowledge at Wharton: The Penn Wharton Public Policy Initiative held a seminar on infrastructure because this issue deserves attention. Why is it so important? Robert Inman: The seminar was with government folks, and the government is going to be a big part of the story.…