Though people believe they respect a logical, fact-based opponent, they actually have greater esteem for arguments based on experience.
Will President Trump be impeached? Here's a look at what impeachment means, how it works and who has been impeached.
A coup d'état, which translates as "stroke of the state," can be triggered by military actions, the involvement of foreign governments, or popular revolts.
The 25th amendment clarifies the steps to be taken if the offices of president or vice president become vacant.
Margaret Thatcher was Britain's first woman prime minister, and one of the country's most controversial figures.
The presidential elections of 1876, 1888, 1960 and 2000 were among the most contentious in American history. Here's why.
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