Decision impacts PrEP, other preventative health services
U.S. Rep. Robert Garcia (D-Calif.) among measure's sponsors
Bill spotlights Karine Jean-Pierre's historic appointment as White House press secretary
Calif. Democrat won special election to U.S. Senate in 1992
Bill received final approval last week
Final vote could happen as early as Thursday
Knowledgeable experts to explain what it all means
NIAID director has served seven presidents
LGBTQ activists, allies condemned reported decision
Hundreds of thousands join Women's March across the country
