AP - Move over, coffee and Red Bull. A Harvard professor thinks the next big thing will be people inhaling their caffeine from a lipstick-sized tube. Critics say the novel product is not without its risks.

AP - Republican Rick Santorum is looking to capitalize on a string of stunning victories that snapped his four-state losing streak and raised new questions about front-runner Mitt Romney's clout with conservatives.

AP - The police commissioner's TV host son has been cleared of the prospect of criminal charges of raping a woman he met for a drink, but it's not clear how quickly he might return to his spot as a jocular morning-show host.

AP - Greek coalition leaders are studying a draft deal on further austerity measures demanded to secure a new bailout that will determine whether the country avoids a looming bankruptcy next month.

AP - Shot through the upper back on a rooftop in Afghanistan and gasping for breath after a bullet ripped through his chest, Marine Sgt. Ben Tomlinson had a fear worse than death.

Reuters - Stock index futures pointed to a slightly higher open for equities on Wall Street on Wednesday, with futures for the S&P 500, the Dow Jones and the Nasdaq 100 rising 0.2 to 0.3 percent.

AP - House Republicans have introduced their version of a bill to ban insider trading by thousands of federal officials, and have added provisions to bar lawmakers convicted of a felony from collecting their government pensions.

AP - The move by school district administrators to replace the entire staff at an elementary school rocked by teacher sex abuse claims was a bold step to restore parents' badly shaken confidence at the school, but it has been met with mixed feelings.

AP - German exports climbed 11.4 percent last year to top the euro1 trillion ($1.3 trillion) mark for the first time, official figures showed Wednesday, though a decline in December underlined the likelihood of slower growth ahead.

AP - Police released 911 calls that revealed a social worker's frantic attempts to alert authorities that Josh Powell had locked himself in his home with his two young sons, moments before he set off a huge fire that killed all inside.

AP - Conservative critics like to point out that the federal appeals court that just declared California's same-sex marriage ban to be unconstitutional has its decisions overturned by the U.S. Supreme Court more often than other judicial circuits, a record that could prove predictive if the high court agrees to review the gay marriage case on appeal.

AP - Mitt Romney just can't shake his difficulty attracting conservatives. And that reality is undercutting his effort to cast himself as the inevitable Republican presidential nominee and prolonging a race that each day exposes deep divisions within the party.

AP - First in and last out — that's the current plan for elite U.S. forces in Afghanistan, according to Adm. Bill McRaven.

AP - The United States appears to be out of answers on what to do with Syria.

AP - Republican presidential candidate Mitt Romney shifted his focus from the economy to abortion, religious freedom and gay marriage in recent days, part of an intensified effort to win over social conservatives in states voting Tuesday.

AP - Republican presidential contender Rick Santorum made a calculated decision a few weeks ago.

AP - Rick Santorum has won the Missouri Republican primary, a nonbinding election that carries bragging rights but does not award any delegates in the race for the presidential nomination.

AP - A memorabilia collector and self-styled expert on presidential history pleaded guilty Tuesday to conspiring to steal thousands of documents signed by leaders throughout U.S. history.

Reuters - Yahoo Inc Chairman Roy Bostock and three other directors will step down as the struggling company ploughs ahead with an internal overhaul, including discussions on dealing with its stakes in China's Alibaba Group and Yahoo Japan.

AP - Gov. Jerry Brown's appointee to head the department that oversees banking, financial and consumer regulations in California led a trade association that fought against tighter lending restrictions before the subprime mortgage crisis exploded and was an executive with Washington Mutual when the now-failed bank was among the most aggressive marketers of loans to high-risk borrowers.

AP - When it started, American teenagers were doing "The Twist." The United States had yet to put a man into orbit around the Earth. And a first-class U.S. postage stamp cost 4 cents.

AP - Eli Manning hoisted the Lombardi Trophy from a glittering blue-and-white float, and Mayor Michael Bloomberg joked that New York City should now be nicknamed the "Big Blue Apple," as thousands of fans crowded lower Manhattan on Tuesday to celebrate the New York Giants' Super Bowl victory amid tons of confetti.

AP - It was just last summer that the Dow Jones industrial average shed 2,000 points in three terrifying weeks. Investors had a host of things to worry about, including the possibility of another recession.