In the final weeks of the presidential campaign, both sides are fighting for votes in a handful of battleground states. But another fight is going on in courtrooms around the country to determine how those votes are cast and how they're counted. Our legal correspondents Luc Cohen and Jack Queen lay out the state of this legal fight and where it goes next - whether that's a local election board or the US Supreme Court. Sign up for the Reuters Econ World newsletter here. Listen to the Reuters Econ World podcast here. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices