Republican South Carolina senator made the announcement Sunday
Candidates gathered in Miami, sparred over abortion
Axios story hints that Tim Scott is gay
LGBTQ comments largely focused on school policies and athletics
It remains unclear whether Donald Trump will participate
The fight will again come down to a handful of swing states
Former vice president has long anti-LGBTQ record
Opposes marriage equality, compares homosexuality to adultery
Tuesday marks four years since president announced 2020 run
'Hate never goes away; it only hides under the rocks- All of us have to stop it'