Jeff Yass is a Pa. billionaire who has funded anti-LGBTQ causes
Congressional leaders pledged their support for decriminalization
Jill Biden spoke in Arlington, Va., on Friday
Several events planned in coming weeks
Former CDC official is first Latino to run office
Former first lady is close with the group
Biden-Harris administration has sanctioned country over law
'I wouldn't be running unless I thought I could win'
Annual commemoration falls on Easter Sunday this year
The observance is Sunday, March 31