Todd Akin, of "legitimate rape," fame was farthest to the right, while 14 Democrats tied as the most left-wing members of the legislature.
After confronting President Obama at the National Prayer Breakfast, the accomplished doctor became an instant star. Is he destined for political success?
As the president delivers his fourth State of the Union address, here are up-to-the-minute updates and the best analysis from around the web.
A disgraced former FBI agent claims that CIA director-nominee John Brennan is a convert to Islam. That's false -- and it doesn't matter anyway.
Senators John McCain, Michael Bennet, and Amy Klobuchar spotlight the ample areas of bipartisan agreement for a major bill.
The Florida senator's perplexing remarks about man-made global warming, and what they tell us about climate politics and 2016
Remember when he said he'd veto any bill that undid the automatic cuts without a long-term deficit-reduction plan? Well, maybe not any bill.
Legislators say the president isn't paying enough attention to them. Where have we heard that before?
The New Jerseyan is coming under scrutiny for his friendship with a Florida doctor -- and their allegedly scandalous dealings in the Dominican Republic.
The magazine blasted the late New York mayor for his handling of tensions during his decade-long reign at City Hall.
Lukewarm support from Obama's party for his nominee reflects trends in the progressive defense establishment that go back several generations.
The former U.S. representative and gun-violence survivor makes a plea to members to do something in the wake of Newtown and other shootings.
Don't expect to see hot memes like Texts from Hillary spring up around the new secretary of state.
Harry Reid and Mitch McConnell have agreed to a set of rule changes, but the new regime falls far short of what young Democrats had demanded to fix the chamber.
A proposed change would radically rework the way presidential voting works and give rural districts disproportionate new clout.
Because hey, both of them are having a big month.
News and updates from The Atlantic's politics team as President Obama and Vice President Biden are inaugurated for their second term
And other lessons on how morality can affect policy, from New England to the Bible Belt
Monday's swearing-in ceremony and parade are expected to a much lower-key occasion than the record-setting, full-blast affair four years ago.
The combed-cover celebrity announces another area of expertise -- and takes a step toward conciliation with the White House.