Certain truths about life in a neighborhood are readily apparent to people who live there, but less obvious to city and state officials. The Justice Mapping Center uses data to help bridge that gap with information about the prison system. By mapping the residential addresses of every inmate in various prison systems, Eric Cadora and his colleagues have made vividly clear a concept they call "Million-Dollar Blocks." In some places more than a million dollars are being spent every year to incarcerate the residents of a single Census block. Audie Cornish talks with Eric Cadora.

Parliamentary elections in Georgia, the former Soviet republic, delivered a resounding defeat for the ruling party of President Mikheil Saakashvili on Monday. Preliminary election results showed the opposition winning 57 percent of the vote.

A day later, the president conceded defeat. In a televised address, Saakashvili said he respected the decision of the voters, and that he would clear the way for the opposition Georgian Dream party to form a new government, a move that would install opposition leader Bidzina Ivanishvili as prime minister.

As the bloodletting in Syria carries on, President Bashar Assad's government doesn't have a lot of allies left.

Large crowds of anxious Iranians gathered in Tehran on Sunday and Monday at foreign exchange offices — some of which had shuttered their doors — as Iran's currency continues its free fall.

From Sunday to Monday, the rial lost nearly one-third of its value against the dollar — and the decline appears to have continued Tuesday.

On Monday, we looked at Republican presidential challenger Mitt Romney's strengths and weaknesses as a debater. Now we examine President Obama's record in big debates and the challenges he faces.

Republicans around the country have been vocal in recent years about the need to crack down on voter fraud. And that's caused party officials to scramble to explain how a GOP firm could have been accused of submitting fake voter registrations in a number of Florida counties.

You can believe this latest poll result if you'd like. Or not.

A survey released Tuesday that was conducted by Public Policy Polling asked people if they thought pollsters were rigging their results to show President Obama leading Mitt Romney (h/t Josh Voorhees at The Slatest).

The 37-year-old search for Teamsters boss Jimmy Hoffa will continue.

As Mark reported last week, the search for Hoffa turned to a driveway in Roseville, Mich. Police took "soil core" samples after they received a "credible" tip that someone was buried there right around the time Hoffa went missing.