Alaska Republican is third sitting GOP member of the U.S. Senate to back issue
Retired tennis star calls Russia's anti-gay bill 'frightening'
Gov. Jack Markell is expected to sign measure into law
Number of events throughout the weekend's LGBTQ celebration
Some notaries and judges will refuse to allow gays to register relationships
Mayor Stephanie Rawlings-Blake served as grand marshal
Mayor presides over ceremony for 19 couples
Agency to allow gender marker change without proof of surgery
Equality Delaware optimistic measure will pass on Tuesday
Pew Research Center surveyed 1,197 gay adults between April 11-29
