Professor doubles down on prediction model of Trump's chances in 2020. Stony Brook professor Helmut Norpoth says Trump has a 91% chance of winning in November.

Stony Brook professor Helmut Norpoth says #Trump has a 91% chance of winning in November https://t.co/F4by3O9JUN

— Rob Shapiro (@RobS____) July 9, 2020