Group's national dinner taking place in DC on Saturday
First lady will also deliver remarks
White House, HRC condemned the attacks
Congressman has long anti-equality record
Besen on fight against conversion therapy; Basile revisits founding of HRC
LGBTQ rights organization's annual gala features Rhimes, Waithe, Bomer
More than 350 anti-LGBTQ attacks reported between June 2022 and July 2023
Calif. Democrat elected to U.S. Senate in 1992
Funding deadline is Oct. 1.
BiPlus Organizing US hosted event at HRC