If he’s kicked out, could he come back?
AP Photo/Evan Vucci
A little-known provision of the Constitution might allow Trump to be reelected president in 2020 even if he is removed from office through the impeachment process.
Ronald Reagan at the end of his debate with Walter Mondale, Oct. 22, 1984, Kansas City, Mo.
Self-deprecating humor can be a savvy campaign strategy – but only for certain candidates.
The U.K.‘s Tony Blair, left, campaigned on 'modernizing’ the welfare system. Bill Clinton, right, campaigned on reducing welfare in the U.S.
Democratic presidential candidates share many ideas and opinions. What they don't share, writes one historian, is the label 'liberal.'
Newly elected South African president Nelson Mandela and deputy president Frederik De Klerk in May 1994.
The April 1994 election proved to be a watershed for South Africa.
Perot become a household name after making an independent run for president in 1992.
AP Photo/Doug Mills
As the US prepares to replace NAFTA, a labor scholar who was critical of Perot but shared concerns about the deal revisits the claim that helped him become the most successful third-party candidate since Teddy Roosevelt.
President Donald Trump arriving at the Rose Garden, May 22, 2019, in Washington.
Politics have pervaded the debate about whether Congress should impeach President Trump. One legal scholar says that whether to impeach – or not – should not be viewed as a political question.
Special counsel Robert Mueller reached no definitive conclusion about whether President Donald Trump obstructed justice in firing FBI Director James Comey or attacking his own investigation.
Reuters/Hyungwon Kang, AP Photo/Susan Walsh, Reuters/Jonathan Ernst, Twitter
Legally, a person can obstruct justice even if he committed no other crime – though it is harder to prove. It all depends on the intent behind pressuring investigators, say, or firing an FBI director.
Nearly 20 years ago, Bill Clinton said that sequencing the human genome would give us a "new power to heal".
A television set turned on in the West Wing of the White House.
AP Photo/Susan Walsh
Calvin Coolidge, during one stretch of his presidency, was getting 15 hours of shut-eye each day, while William Howard Taft was known for nodding off during public events.
Trump before delivering the State of the Union address with Pelosi and Pence.
Doug Mills/The New York Times/Pool via REUTERS
Four scholars weigh in on President Donald Trump's State of the Union speech, exploring his statements on immigration, childhood poverty, the border wall and the investigations into his campaign.
GOP President Ronald Reagan and Democratic House Speaker Tip O'Neill at the April, 1983 signing of bipartisan social security legislation.
Most Congresses since the 1970s have passed more than 500 laws, ranging from nuclear disarmament to deficit reduction. Will today's bitter partisanship hamstring the new Congress' productivity?
What will a divided Congress do over the next two years?
The new Congress is divided into a GOP Senate and Democratic House. History provides a glimpse of what this could mean: Democrats hold the power to investigate, if not to legislate.
US president Bill Clinton (L) is interviewed by CBS television anchorman Dan Rather (R) following his impeachment.
Bringing down a president is a political act – just ask Bill Clinton.
President George H.W. Bush in 1990.
Though his education initiative staggered while he was in office, the late former President George H.W. Bush had an influence that continues to shape education policy, an education historian says.
Unlike every president who followed him, George H.W. Bush had a background in foreign policy. In 1972, Bush was serving as U.S. ambassador to the U.N.
AP Photo/Dave Pickoff
The first President Bush had some impressive foreign policies wins, but could he be best remembered for getting the US entangled in Iraq?
US President Bill Clinton, Israeli Prime Minister Yitzhak Rabin and Palestinian leader Yasser Arafat sign the historic Oslo accord at the White House in September 1993.
In 1993 the Oslo Accords were struck in optimism, but a quarter of a century later little has changed - and there's no real prospect it ever will.
President Gerald Ford discussing plans for a Strategic Petroleum Reserve with workers in California in 1975.
Gerald R. Ford Presidential Library & Museum
There's no precedent for selling oil from the Strategic Petroleum Reserve at a time when there's no market-driven reason for doing that.
The culture war isn’t just playing out on the streets. It’s also a struggle over the dominant understanding of certain words.
AP Photo/John Minchillo
Aristotle coined the term "enthymeme" to refer to arguments, words and ideas that are broadly accepted among the people of a nation. So what happens when enthymemes start to disappear?
Putin and Trump bond in November 2017.
AP Photo/Hau Dinh
Is the pen that signs the peace treaty more powerful than the sword in the realm of public opinion?
Mo Mowlam, secretary of state for Northern Ireland at the time of the Good Friday Agreement.
In a series of short audio clips, four academics talk about the key figures involved in making the Good Friday Agreement of April 1998 possible.