AP - An aggressive Mitt Romney repeatedly challenged Republican rival Newt Gingrich Thursday night in the final debate before next week's critical Florida primary, demanding an apology for an ad saying he harbors anti-immigrant sentiments and ridiculing the former House speaker's call to colonize the moon.

AP - In corrections systems nationwide, officials are grappling with decisions about geriatric units, hospices and medical parole as elderly inmates — with their high rates of illness and infirmity — make up an ever increasing share of the prison population.

AP - Detractors say the F-35 stealth fighter, the costliest military plane ever, is destined to go down as one of the biggest follies in aviation history. But it may have found a savior: deep-pocketed U.S. allies hungry to add its super high-tech capabilities to their arsenal.

AP - He is a descendant of Russia's last czar — and has lived in the jungle, starred in Bollywood movies and trained as a stuntman.

AP - The Pentagon outlined a plan Thursday for slowing the growth of military spending, including cutting the size of the Army and Marine Corps, retiring older planes and trimming war costs. It drew quick criticism from Republicans, signaling the difficulty of scaling back defense budgets in an election year.

AP - Twitter has refined its technology so it can censor messages on a country-by-country basis.

AP - A new taste for eating elephant meat — everything from trunks to sex organs — has emerged in Thailand and could pose a new threat to the survival of the species.

AP - Robert Hegyes, the actor best known for playing Jewish Puerto Rican student Juan Epstein on the 1970s TV show "Welcome Back Kotter" has died. He was 60.

AP - The Buccaneers are counting on Greg Schiano to lead them back to respectability and transform Tampa Bay into consistent winners — much in the same way he made Rutgers matter again.