AP - Duke is the favorite among the Final Four to win the NCAA title, while Michigan State is a longshot despite its trip to the finals last year, oddsmakers in Las Vegas said Monday.Reuters - Any trip by a U.S. president requires careful planning, but sneaking him into Afghanistan -- a country in the midst of an eight-year war with Islamic militants -- is a special case.AP - Who doesn't want to be a millionaire? Maybe a 43-year-old unemployed bachelor who lives with his elderly mother in Russia — and who won $1 million for solving a problem that has stumped mathematicians for a century.Reuters - The Obama administration on Monday had a blunt message for health insurers -- the new healthcare law requires that they not drop coverage for children with certain pre-existing conditions.Reuters - Two female suicide bombers killed at least 38 people on packed Moscow metro trains on Monday, stirring fears of a broader campaign in Russia's heartland by Islamists from the North Caucasus.AP - Ricky Martin is no longer denying the rumors: He's gay.AP - Who doesn't want to be a millionaire? Maybe a 43-year-old unemployed bachelor who lives with his elderly mother in Russia — and who won $1 million for solving a problem that has stumped mathematicians for a century.AP - Under the health care overhaul, young adults who buy their own insurance will carry a heavier burden of the medical costs of older Americans — a shift expected to raise insurance premiums for young people when the plan takes full effect.AP - A Tennessee man authorities say is a white supremacist has pleaded guilty to plotting to kill then-presidential candidate Barack Obama and dozens of other black people in 2008.AP - The Republican National Committee spent $1,946 last month at a sex-themed Hollywood club that features topless dancers and bondage outfits. Now the GOP wants its money back.AP - Nine alleged members of a Christian militia group that was girding for battle with the Antichrist were charged Monday with plotting to kill a police officer and slaughter scores more by bombing the funeral — all in hopes of touching off an uprising against the U.S. government.AP - U.S. transit agencies beefed up security as a precaution Monday after the double suicide bombing in Moscow's subway system, sending more police into stations and officers to conduct random inspections of rail yards.AP - NATO forces in June will make a long-planned assault on the Taliban's spiritual home in the southern Afghan city of Kandahar, a senior military official said Monday.AP - The Treasury Department said Monday it will begin selling the stake it owns in Citigroup Inc., which could result in a profit to the government of about $7.5 billion.AP - U.S. transit agencies beefed up security as a precaution Monday following the suicide bombing in Moscow's subway system, sending more police into stations and having officers conduct random inspections of rail yards.