No retroactivity hook to Florida med-mal capTALLAHASSEE, Fla. — A 2003 law capping medical-malpractice lawsuit awards at $500,000 can’t be applied retroactively.That’s what the Supreme Court ruled Thursday in a Miami-Dade County case in which a woman suffered permanent damage to her leg from unnecessary surgery.A jury awarded Kimberly Ann Miles $1.5 million, but Dr. Daniel Weingrad appealed the case saying the award should be limited to the $500,000 cap then-Gov. Jeb Bush signed into law. An appeals court …