It's Election Day. Control of Congress is on the line, and what else you need to know

There are a lot of variables for how things will go today. Results will start to come in at 6 p.m. ET in Kentucky and Indiana, and then it will be off to the races.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/6804x4536+0+0/resize/6804x4536!/quality/85/format/webp/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fae%2F55%2Fec98ce1e44558904733dc6c91531%2Fgettyimages-2302583836.jpg' alt='In an aerial view, voters wait in line on the last day of early in-person voting at the Franklin County Board of Elections on Nov. 1 in Columbus, Ohio.'/><p>There are a lot of variables for how things will go today. Results will start to come in at 6 p.m. ET in Kentucky and Indiana, and then it will be off to the races. </p><p>(Image credit: Jon Cherry)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5992757' />