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In a country of dreamers and achievers, we seem surprisingly content in the middle.

The term "middle class" is at once useful for political purposes and practically useless as an economic descriptor. Without a consensus on an economic definition, nearly half of the country self-identifies as being in the middle class.

That gives politicians an opportunity to make far-reaching appeals to voters, speaking to Americans with incomes of $30,000 and $100,000 in the same breath.

China's Communist Party will introduce a new slate of leaders this month to run the world's most populous country for at least the next five years. Their to-do list will include dealing with the nation's opaque and politicized court system.

"China's judicial system urgently needs to be reformed, improved and developed," a government planning paper acknowledged last month.

It may be too little, too late for Rep. Todd Akin.

The Republican candidate for Senate from Missouri is seeing an influx of money in the closing days of his campaign. Still, it would come as a surprise to seasoned observers in the state if Democratic Sen. Claire McCaskill went down to defeat.

From the outside, this white metal container looks like all the other mobile structures at Forward Operating Base Shank, the main NATO base in Afghanistan's Logar province. But rather than housing soldiers, offices or latrines, the building contains a fully functioning — if spartan — radio studio.

Every time a storm brings flooding to a large metropolitan area, there are calls to improve the levee systems that are designed to prevent flooding.

But there's a major problem with doing that. "We don't know where all of our levees are," says Samantha Medlock with the Association of State Floodplain Managers.

Superstorm Sandy capped what's been a pretty impressive couple of years for U.S. natural disasters. There have been wildfires, tornadoes, floods and derechos. And insurance companies are on the hook to pay billions in related claims.

"We're seeing more of everything, and what we're doing is trying to factor that in going forward as we work with others to have a better sense of what the future holds," says State Farm spokesman David Beigie.

The news for patients who had injections of fungus-tainted steroids just keeps getting worse.

Both campaigns want to claim momentum heading into the final days of the campaign. This is especially true in battleground states like Iowa, where enthusiasm and voter turnout can make all the difference.

It's a common political metaphor — momentum — but is it a good one?