2020 US Presidential and Senate Election- How Democrats can regain control with Brown(D-OH) as VP?

[nkpolitics1212]

The front runners for the 2020 Democratic Nomination for US President are Biden, Sanders, or Warren.
Whoever wins the 2020 Democratic Nomination for US President is going to pick US Senator Sherrod Brown(D-OH) as the Vice Presidential Running late. Brown is a strong progressive Democrat from a Battleground state.
The 2020 Democratic Nominee for President will win all of the Clinton 2016 States plus IA,MI,OH,PA,and WI.
Regarding the 2020 United States Senate Elections,
Democrats will lose AL(Jones-D vs Sessions-R), and OH(Gov. DeWine-R picks Brown-D sucessor- former LT Gov. Taylor-R) and if Warren(D-MA) or Sanders(D-VT) are the 2020 Democratic Nominee for US President instead of Biden. MA(Gov. Baker-R picks Warren-D sucessor Lt Gov. Polito-R) or VT(Gov. Scott-R picks Sanders-I/D sucessor former Lt Gov. Dubie-R). Losing AL,OH, and MA or VT will give Democrats 44 US Senate seats.
Democrats will need to win 6 Republican held US Senate seats up in 2020.
CO(Gardner-R vs Hickenlooper-D)
AZ special(McSally-R vs Kelly-D)
NC(Tillis-R vs Cunningham-D)
ME(Collins-R vs Gideon-D)
IA(Ernst-R vs Greenfield-D)
GA special(Whoever Gov. Kemp-R appoints vs Lieberman-D)