Experts have recently made a startling claim: the United States will need to invest more than $4.5 trillion by 2025 to fix its failing infrastructure. Debates over ways to generate revenue — whether to invest in new technology or repair existing systems, and how to achieve infrastructure development without promoting environmental degradation — remain ongoing. Geoff Burr, Greta Joynes and Brian McKeon, in a discussion moderated by Mark Begich, discuss ways the 116th Congress is likely to address infrastructure and the challenges that lie ahead.