Source: Ports of Indiana / Ports of Indiana PORTAGE, Ind. — U.S. Transportation Secretary Sean Duffy visited the Ports of Indiana-Burns Harbor to look at recent expansion projects and discuss funding for Great Lakes waterways. The visit comes during an unprecedented era of federal and state investment in the Great Lakes region. Since taking office, Secretary Duffy has expanded the U.S. Marine Highway Program by nearly 900 miles—strengthening the…