Final U.S. Senate vote could take place Thursday
Secretary Buttigieg speaks at annual Equality PAC event
Thousands of LGBTQ federal government employees lost jobs during anti-communist purge
President specifically criticized Fla. lawmakers over 'Don't Say Gay' law
Democratic lawmakers wrote Secretary of State Antony Blinken on April 18
Equality Caucus, gay blood ban discussed
Bipartisan bill now heads to Senate
Groups have urged White House to implement 10-point plan
U.S. gov't workers once faced explusion for being gay
US bought 500 million Pfizer doses for COVAX initiative