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The senior police official investigating wrongdoing by journalists in London says there was a culture of illegal payments at the Sun tabloid to create a network of paid informants across the British government. The Sun is the second tabloid owned by Rupert Murdoch's News Corp to be the focus of wrongdoing.

Arizona and Michigan voters cast their ballots Tuesday in the Republican presidential primary. A month ago, nobody expected these states to be consequential, but it's clear that the results could dramatically change the direction of the race.

Morning Edition's Steve Inskeep talks to David Wessel, of "The Wall Street Journal," and Zanny Minton Beddoes, of "The Economist," about how to read the latest economic signs, and whether there are any bright areas for growth.

Weeks ago, GOP rival Rick Santorum had caught up to front-runner Mitt Romney in the polls in Michigan. On Monday, he spent the final day before Michigan's primary campaigning in the state.

David Greene has business news.

Throttling is a way for the cell phone company to limit its unlimited customers. Bloomberg technology columnist Rich Jaroslovsky talks to David Greene about what AT&T has been doing to customers who use the most data.

Matt Spaccarelli was one of those unlimited data customers being throttled by AT&T. He took his beef to small claims court, and last Friday he was awarded $850. His was a lone suit. AT&T's contract forbids class-action lawsuits.

In certain parts of Syria, the violence is unending and it is mainly focused on the city of Homs. For the past 25 days, the Syrian army has been bombarding the neighborhoods of Homs that have been resistant to the government.

The heightened tensions between Israel and Iran over its nuclear weapons program have some residents in the Jewish state nervous. Israel's leaders have been talking about a possible conflict.

Privacy protections on Internet browsers are anything but ironclad. Companies circumvent them routinely. Most people know they are being observed online but figuring out how is complicated.