May 18, 2013 — The world's top health problems are more common in men than women. But recent global funding has been skewed toward women's issues. Some health economists say more effort should go toward stopping men's risky behaviors, like smoking and drinking.

May 18, 2013 — The bipartisan immigration overhaul proposed by the Senate's Gang of Eight has been the target of scores of amendments. So far, the bill has largely held its own, but its prospects for getting through Congress are uncertain.

May 18, 2013 — Afghanistan is believed to be home to world-class mineral deposits, valued at up to $3 trillion and offering hope for the country's economic future. But in the current environment of uncertainty, investors are nervous and it could be many years before Afghanistan strikes pay dirt.

May 18, 2013 — With the death of a possible suspect in one notorious case, activists are weighing the FBI's efforts to tackle cases from the 1950s and '60s. Some are calling for a congressional hearing to see whether the FBI has done enough investigating.

May 18, 2013 — The show has become a social event for a large and varied crowd of African-Americans and others on Twitter, for reasons mysterious, complex and worth exploring.