Because Dems never talk about racism.

Via TPM:

The national Black Lives Matter network has asked the Democratic National Committee to hold a presidential debate devoted exclusively to the topic of racial justice in America.

In a petition posted at Color of Change on Tuesday, the group told DNC Chair Rep. Debbie Wasserman-Schultz (D-FL) that black voters “deserve substantive responses and policy recommendations” from the Democratic field.

“It is not enough to poll the Presidential candidates on whether or not they think “Black Lives Matter” or “All Lives Matter,” the petition reads.