Why late shifts in the polls probably won’t help Democrats in Senate races

All of the major Senate forecasting models, including ours at Election Lab, now rely heavily on averages of public polls. This raises the question of whether those averages will be correct on Election Day, and whether any misses could affect which party manages to retain control of the Senate. In […] Read more »

No, Republicans Aren’t Guaranteed to Win the Senate. Here’s Why.

On Monday, the Libertarian candidate for Senate in Iowa, Doug Butzier, died in a plane crash. Butzier, an emergency room physician, was polling at only two percent. But Republican candidate Joni Ernst leads the Democratic candidate, Bruce Braley, by an even narrower margin. How Butzier’s supporters eventually vote is a […] Read more »