Republican South Carolina senator made the announcement Sunday
Candidates gathered in Miami, sparred over abortion
Former vice president announced decision to drop out in Las Vegas
11th Circuit previously struck down law
Group's national dinner taking place in DC on Saturday
Seven Republican hopefuls took the stage Wednesday night
Anti-LGBTQ riders among extremist GOP demands
Groups have issued travel advisories for the state
McKinsey study finds more than half of trans employees not able to be out
Trump casts long shadow over sorry lot of GOP hopefuls
