More states and more delegates are on the line today than at any other point in the primary calendar.
From the oval office to social media, President Obama sparked a lot of change during his time as commander in chief. Did he keep his presidential promises?
As Joe Biden debates entering the presidential race, we take a look at why big decisions are so hard to make.
Think a reality TV star is a surprising presidential candidate? Take a look at five historical campaigns, from a Russian secret agent to a self-styled King of the World.
African Americans may have gotten the vote a century earlier, and Western cities might have looked a lot different, historians say.
With congressional budget talks often come whispers of a "government shutdown." What actually happens during one, and why do they occur? Does everything close? Trace runs down which things actually do shut down and which never really close.
Taxes, divorce law and seizing property are no-nos.
White House security tightens after a breach. Let's take a look at some notable security moments in the history of the president's home office.
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