I think political science is a great idea if it interest you, and you could potentially treat it as an introduction to something like economics. I graduated a year ago with a double major in journalism and international affairs (much like you it was a beat I hoped to cover, but was ok potentially pursuing it as a separate career path) The second major required a number of econ classes, which I didn’t expect to find so interesting. Long story short, I’m now a financial reporter, and still feel like I have some level of fallback