The Russian government alerted the FBI in 2011 to concerns about Tamerlan Tsarnaev. CNN's Joe Johns reports on the response and what's happened since that time.
The Office of Congressional Ethics investigates possible misdeeds by lawmakers, but it may not have the support to continue operating. CNN's Joe Johns reports.
President Obama and vice presidential candidate Paul Ryan were adversaries before the 2012 election. CNN's Joe Johns reports.
Another Keeping Them Honest report: A freshman congressman claims President Obama gives "special waivers" to Muslims during TSA screenings. It’s not true. So why did he say it? Joe Johns tracked him down to ask.
Editor's note: Congresswoman Michele Bachmann is a Tea Party favorite and now a GOP presidential candidate. CNN's Joe Johns reports.
Editor's note: CNN's Joe Johns reports on why some Republicans are livid at Newt Gingrich - so angry his candidacy may be in danger.
Related: Democrats highlight Gingrich controversy to GOP stance on Medicare
Editor's note: CNN's Joe Johns takes a look at whether Newt Gingrich's personal life could be a political liability during his 2012 bid.
Editor's note: CNN's Joe Johns reports on the hunt for a suspected serial in Long Island, NY.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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