Former Calif. lawmaker to succeed Annise Parker
Del. lawmaker likely to become first transgender person elected to Congress
Former Houston and Chicago mayors emphasize importance of big cities
Danica Roem, Sarah McBride among attendees
Pete Buttigieg speaks at Chicago event
Victory, Task Force, HRC, GLAAD, A4TE, and others will be in Chicago
Advocacy groups praise vice president, President Biden
Advocacy groups hoped candidates would address queer topics
State lawmaker a prominent Biden-Harris 2024 reelection campaign surrogate
Sen. Butler delivers keynote address
