A flag lies on the casket of Rep. Elijah Cummings, D-Md., during his funeral service at the New Psalmist Baptist Church in Baltimore, Md., on Friday, Oct. 25, 2019.

(Lloyd Fox/The Baltimore Sun via AP, Pool)

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Former Secretary of State Hillary Clinton speaks during funeral services for Rep. Elijah Cummings, Friday, Oct. 25, 2019, in Baltimore.

(AP Photo/Julio Cortez, Pool)

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Former Baltimore Raven Torrey Smith looks at the program at the funeral service for Rep. Elijah Cummings, D-Md., at the New Psalmist Baptist Church in Baltimore, Md., on Friday, Oct. 25, 2019.

(Lloyd Fox/The Baltimore Sun via AP, Pool)

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(Chip Somodevilla/Poo via AP)

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House Speaker Nancy Pelosi, D-Calif., speaks at the funeral service for Rep. Elijah Cummings, D-Md., at the New Psalmist Baptist Church in Baltimore, Md., on Friday, Oct. 25, 2019.

(Lloyd Fox/The Baltimore Sun via AP, Pool)

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Rep. Marcia Fudge, D-Ohio, reads a scripture during funeral services for Rep. Elijah Cummings, Friday, Oct. 25, 2019, in Baltimore.

(AP Photo/Julio Cortez)

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Former first lady Hillary Clinton, foreground center, former President Bill Clinton, former Vice President Joe Biden and former President Barack Obama greet members of the Maryland Congressional delegation as they arrive at the funeral service for Rep. Elijah Cummings, D-Md., at New Psalmist Baptist Church in Baltimore, Md., on Friday, Oct. 25, 2019.

(Chip Somodevilla/Pool via AP)

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Sen. Elizabeth Warren, D-Mass., reads a scripture during funeral services for Rep. Elijah Cummings, Friday, Oct. 25, 2019, in Baltimore.

(AP Photo/Julio Cortez, Pool)