Kamala Harris campaigns in Michigan

People cheer as Democratic vice presidential candidate Sen. Kamala Harris speaks at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

People cheer as Democratic vice presidential candidate Sen. Kamala Harris speaks at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Tim Smith, 55, of Troy takes a photo of his wife, Amy Smith, 52, as Democratic vice presidential candidate Sen. Kamala Harris speaks at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Gov. Gretchen Whitmer speaks before Democratic vice presidential candidate Sen. Kamala Harris at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Democratic vice presidential candidate Sen. Kamala Harris speaks at the Troy Community Center in Troy on Oct. 25, 2020.

People cheer as Democratic vice presidential candidate Sen. Kamala Harris speaks at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Democratic vice presidential candidate Sen. Kamala Harris speaks at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Two Biden Harris supporters take a selfie as Democratic vice presidential candidate Sen. Kamala Harris speaks at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

From left, Sora Hrhor, 16, and Mariem (cq) Aboutaleb, 16, both of Sterling Heights hold up the sign they made at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Amanda York of Grosse Pointe Woods watches her daughters, Hazel Burrus, 4, left, and Olive Burrus, 6, dance around at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Gov. Gretchen Whitmer speaks before Democratic vice presidential candidate Sen. Kamala Harris at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

U.S. Rep. Haley Stevens speaks at the Canvass Kickoff event at the Troy Community Center in Troy, Mich. in Detroit on Oct. 25, 2020.

Democratic vice presidential candidate Sen. Kamala Harris makes a campaign appearance at a canvas kickoff event at the Troy Community Center in Troy, Mich. on Oct. 25, 2020.

Democratic vice presidential candidate Sen. Kamala Harris makes a campaign appearance at a canvas kickoff event at the Troy Community Center in Troy, Mich. on Oct. 25, 2020.

Democratic vice presidential candidate Sen. Kamala Harris makes a campaign appearance at a canvas kickoff event at the Troy Community Center in Troy on Oct. 25, 2020.

U.S. Sen. Kamala Harris speaks with Congresswoman Brenda Lawrence, D-Detroit, during a voter mobilization event in Detroit on Sunday, Oct. 25, 2020.