Q how is this legal?

Whenweallvote.org

Aren't 501(c)(3)s supposed to be non-partisan?

Board: Valerie Jarrett, Tina Tchen, Pete Rouse

Co-Chairs: Michael Obama, Selena Gomez, Tom Hanks, Faith Hill, Lin-Manuel Miranda, Janelle Monáe, Liza Koshy, Chris Paul, Megan Rapinoe, Shonda Rhimes, Tracee Ellis Ross, Kerry Washington, and Rita Wilson.