In January 2017, when President Trump took office, there were 241 Republicans in the House. Since then, 115 (48%) have either retired, resigned, been defeated or are retiring in 2020. (Cook Political Report).

Five incumbents ousted in Primaries this year: Rep. Dan Lipinski(D-IL), Rep. Steve King (R-IA), Rep. Denver Riggleman (R-VA), Rep. Eliot Engel (D-NY), Rep. Scott Tipton (R-CO).

2020 Presidential Ratings (Electoral Votes from Inside Elections with Nathan Gonzales)> 
Toss-up: 66 electoral votes including AZ (11), FL (29), NE 2nd (1), NC (15), WI (10).
Tilt Democratic: 36 electoral votes: MI (16), PA (20). Tilt Republican: 1 electoral vote: ME 2nd (1).
Lean Democratic: 14 electoral votes: MN (10), NH (4). Lean Republican: 22 electoral votes: GA (16), IA (6).
Likely Democratic: 8 electoral votes: ME At-Large (2), NV (6). Likely Republican: 56 electoral votes: OH (18), TX (38).
Solid Democratic: 210 electoral votes. Solid Republican: 125 votes.

Election to watch - NY 16th District held by Eliot Engel who has been in Congress since 1989. He is endorsed by Nancy Pelosi, Andrew Cuomo, Hillary Clinton the Congressional Black Caucus, Planned Parenthood and many unions. His challenger is Jamaal Bowman, founding principal of a Bronx middle school, and endorsed by Ocasio-Cortez, Pressley, Bernie Sanders, Elizabeth Warren, Democratic Socialists of America and Move On.

RealClearPolitics Battleground States -
Florida – Biden: 48.2 Trump: 44.8;
Pennsylvania: Biden: 48.3 Trump: 45.0;
Wisconsin: Biden: 46.4, Trump: 43.0;
North Carolina: Biden: 45.5, Trump: 45.8;
Arizona: Biden: 46.7, Trump: 43.3