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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.

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

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

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

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

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

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

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

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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.”

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