Mitt Romney joined former Representative Lincoln Diaz-Balart, center, and Representative Ileana Ros-Lehtinen at a US-Cuba Democracy Political Action Committee event in Miami.

PAC co-director Remedios Diaz Oliver wore a campaign button supporting Romney at Miami-Dade College's US-Cuba Democracy event.

Romney supporters held signs as he delivered a rebuttal to President Obama's State of the Union address in Orlando.

The former Massachusetts governor delivered his rebuttal to last night's address at American Douglas Metals.

People bowing their head in prayer before Republican presidential candidate Newt Gingrich's speech at a Space Coast meeting in Cocoa, Fla.

Gingrich signed a photo of himself after a Space Coast meeting.

Supporters listened to Gingrich speak during a campaign event in Coral Springs, Fla.

The former Speaker of the House delivered remarks in the parking lot of the Wings Plus restaurant in Coral Springs.

Gingrich cranked up the campaign rhetoric, mocking Romney's plan for self-deportation of illegal immigrants as a "fantasy" and assailing President Obama's tax ideas as "stupid.”

Rick Santorum signed a campaign poster as he greeted supporters during a rally at the First Baptist Church in Naples, Florida.