Candidates gathered in Miami, sparred over abortion
LGBTQ comments largely focused on school policies and athletics
It remains unclear whether Donald Trump will participate
Former vice president has long anti-LGBTQ record
Opposes marriage equality, compares homosexuality to adultery
Tuesday marks four years since president announced 2020 run
Career bigot alienates women, LGBT voters
Diplomat urged to 'broaden her commitment' to human rights
State Dept. spokesperson condemned anti-LGBTI Chechnya crackdown
State Department spokesperson is former Fox News reporter
