Romney crushes Gingrich in Florida GOP primary

• Florida primary election results
• With win, Romney faces tough opponents in long war
• Why Romney won — Why Gingrich lost
• Super PAC spending on GOP candidates tops $44M
• After loss, Gingrich pledges long primary fight
• Exit polls: Florida GOP voters hurt by economy

TAMPA, Fla. — Former Massachusetts Gov. Mitt Romney coasted to a 14-point victory over Newt Gingrich in Florida’s Republican presidential primary Tuesday after a bruising battle in which both campaigns and their backers spent an estimated $19 million attacking each other.