Some presidents have lied for honorable reasons, while for others the lies have been simply self-serving.
Lincoln's chances of reelection in 1864 were dim. He was presiding over a bloody civil war, and the public was losing confidence in him. But he steadfastly rejected pleas to postpone the election.
Political conventions used to pick presidential nominees in private. Now the public picks the nominee and then the party has a big party at the convention, writes a scholar of US elections.
A 21st-century hockey team is connected with Gen. Sherman's Atlanta campaign and the destructive journey to Savannah.
When fighting a lethal foe on home soil, Lincoln expertly managed leading politicians; related well with the people; and dealt clearly with the military.
A growing chorus of people say the US has never been so politically divided. A Civil War historian reminds readers that there was once a far more divided time.
The news is filled with stories about inappropriate touching by politicians. But touch by politicians was long important in the US, and Abraham Lincoln's handshake helped engage and guide the nation.
Presidents Day celebrates the American president – not only as a political leader, but as a moral leader. But can a president be a person of strong moral character, as well as a strong leader?
Contentious or politically driven Supreme Court nominations are not new. But US history shows that many of those contested nominees who were confirmed would go on to author controversial opinions.
Americans have rediscovered the Supreme Court, as they do periodically when it's at the center of controversy. With a president who attacks the legitimacy of courts, will their attention be benign?
Lincoln's description of the Union as a house divided is well-remembered today. But many Americans fail to heed its lessons about equality and the moral foundations of popular government.
Memorial Day, a holiday that began 151 years ago, was born out of generous gestures after the Civil War: Southerners decorated graves of Confederate soldiers as well as those of former Union enemies.
President Trump is having trouble finding a lawyer. But other presidents, including Abraham Lincoln, have obtained outside legal counsel easily, even from attorneys who disagree with their politics.
Relations between the US and Africa are unlikely to improve while Trump remains president. But that doesn't mean the continent should remain passive.
The Trump administration's incompetence makes it difficult for African countries to engage Washington in seeking meaningful explanations, much less substantive negotiations.
Many American evangelicals believe that the establishment and protection of Israel set up a chain of event for the return of Jesus. What were the origins of this narrative?
Dying in America 200 years ago was a simply family affair, devoid of pomp. The US Civil War and Abraham Lincoln's embrace of embalming changed everything.
Even Donald Trump has paid his respects to Lincoln as an emblem of unity.
An Army veteran and professor of rhetoric explores poetry written by veterans about a divisive holiday born of the Civil War.
Thanks to the US's polarised politics, presidents beloved abroad are controversial at home.