She has a track record of massive overperformance, but is facing her toughest environment yet.| www.natesilver.net
Luckily for them, Jon Ossoff has an edge.| www.natesilver.net
Just a couple of basic factors—House generic ballot polling and the number of seats the presidential party is defending—do a decent job of predicting midterm congressional election results.| Sabato's Crystal Ball