Biden's lessons learned: spending time, money in Midwest
Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Oct. 16, 2020 07:29 PM EDT
Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Oct. 16, 2020 07:44 PM EDT
Democratic presidential candidate former Vice President Joe Biden speaks at Wisconsin Aluminum Foundry in Manitowoc, Wis., Monday, Sept. 21, 2020. (AP Photo/Carolyn Kaster)

Democratic presidential candidate former Vice President Joe Biden speaks at Wisconsin Aluminum Foundry in Manitowoc, Wis., Monday, Sept. 21, 2020. (AP Photo/Carolyn Kaster)

Sep. 21, 2020 04:49 PM EDT
Democratic presidential candidate former Vice President Joe Biden greets children outside of the Wisconsin Aluminum Foundry in Manitowoc, Wis., Monday, Sept. 21, 2020. (AP Photo/Carolyn Kaster)

Democratic presidential candidate former Vice President Joe Biden greets children outside of the Wisconsin Aluminum Foundry in Manitowoc, Wis., Monday, Sept. 21, 2020. (AP Photo/Carolyn Kaster)

Sep. 21, 2020 05:47 PM EDT
Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Oct. 16, 2020 08:00 PM EDT
Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Democratic presidential candidate former Vice President Joe Biden speaks at Michigan State Fairgrounds in Novi, Mich., Friday, Oct. 16, 2020. (AP Photo/Carolyn Kaster)

Oct. 16, 2020 11:51 PM EDT
Democratic presidential candidate former Vice President Joe Biden talks with workers as he tours the Wisconsin Aluminum Foundry in Manitowoc, Wis., Monday, Sept. 21, 2020. (AP Photo/Carolyn Kaster)

Democratic presidential candidate former Vice President Joe Biden talks with workers as he tours the Wisconsin Aluminum Foundry in Manitowoc, Wis., Monday, Sept. 21, 2020. (AP Photo/Carolyn Kaster)

Sep. 21, 2020 04:49 PM EDT