The 2026 US midterm elections feature firebrand progressives trying to stake out new territory, moderate Republicans struggling in the shadow of Donald Trump, and a host of scandals that have made races closer than they should be.

These candidates could shape not only power in Washington, but public and political understanding of what works " and wins votes " in different places across the country.

Can a Democrat win in red Kansas? Could Texas finally flip away from Republicans?

Will abuse allegations or absenteeism tank incumbents? How important is capturing online attention?