CHARLESTON, S.C. (AP) -- Under duress two days before the pivotal South Carolina primary, Republican front-runner Mitt Romney acknowledges he has part of his millions invested in the Cayman Islands, although his aides say he never used the location as a tax haven.

With television lights glaring, 20 lawmakers will gather next week to revisit the fight that consumed Congress before Christmas over renewing a Social Security payroll tax cut and unemployment benefits.

Security screeners at Kennedy Airport violated procedures this fall when they asked two elderly women to show them medical devices concealed beneath their clothing, senior Homeland Security officials acknowledged in correspondence made public this week.

Wikipedia started a 24-hour blackout of its English-language articles, joining Google, Boing Boing, Reddit and other sites to protest pending U.S. legislation aimed at shutting down sites that share pirated movies and other content.

Wikipedia will black out the English language version of its website Wednesday to protest anti-piracy legislation under consideration in Congress, the foundation behind the popular community-based online encyclopedia said in a statement Monday night.

WASHINGTON (AP) -- The expansion in public prekindergarten programs has slowed and even been reversed in some states as school districts cope with shrinking budgets. As a result, many 3- and 4-year-olds aren't going to preschool.

MYRTLE BEACH, S.C. (AP) -- Republican presidential candidate Rick Santorum and front-runner Mitt Romney are trading barbs over who's the toughest on canceling voting rights for convicted felons.

As Congress returns from a three-week holiday break, those are a few of the ideas for how to pay for extending an average $20-a-week Social Security payroll tax cut through the end of 2012 without adding to the government's long-term debt.

As Americans honor King's memory 44 years after he was assassinated, the image of the slain civil rights leader is evolving.