Crimea is a poor region, heavily subsidized by Kiev, and gets all its gas, water and food from Ukraine. Russia doesn't even have a land link with the Crimean peninsula and absorbing it will affect banks, schools, tourism and pensions for residents.
The international drug trade goes in two directions: Narcotics go north and money goes south. All the drug profits made on the streets of U.S. cities like Chicago and Atlanta and Dallas are funneled down to ports of entry on the U.S.-Mexico border where they're smuggled back into Mexico. In 2012, one federal agency alone, Immigration and Customs Enforcement, seized $411 million in cash hidden in vehicles, mostly heading south.
President Obama's nominee for surgeon general has a medical degree and an MBA, but his confirmation is being held up in the Senate because of special-interest politics and Democrats facing tough re-election campaigns.
Earlier this week, physicists announced they'd seen evidence of ripples in the fabric of space and time from just moments after the Big Bang. Such ripples were predicted almost a century ago by Albert Einstein.
Einstein's theory of relativity is arguably the 20th century's greatest idea. But not everything he did was right: Some newly uncovered work from the brilliant physicist was wrong. Really, really wrong.