U.S. President Donald Trump during a campaign rally in Topeka, Kan., Oct. 6, 2018.
US law says the president can't be indicted, an echo of ancient Roman law. The efforts Roman leader Julius Caesar made to maintain his immunity is a cautionary tale for America's political system.
Atty. Gen. Elliot Richardson swears in William D. Ruckelshaus as his deputy. Both men later resigned rather than carry out Nixon’s order to fire the Watergate special prosecutor.
Republicans in Congress today are different than GOP figures who challenged President Nixon during Watergate. GOP leaders now stand in contrast to those who once chose country over loyalty to one man.
A protestor outside the Virginia courtroom where Paul Manafort was convicted of fraud on Tuesday.
The legal travails of Paul Manafort and Michael Cohen bring the Mueller investigation into the White House.
Trump's former campaign manager is on trial for tax charges but his travails could cause problems for the White House.
U.S. President Donald Trump speaks with Russian President Vladimir Putin during a news conference after their meeting at the Presidential Palace in Helsinki, Finland on July 16, 2018.
(AP Photo/Pablo Martinez Monsivais)
In the hands of a legitimate president, the recent indictments against Russian nationals for interfering in the 2016 presidential election would have been a powerful tool at a summit. Not Donald Trump.
The rule of law can take on different meanings depending whom you ask and where you are – but in the US it pretty much means one thing.
President Donald Trump delivers remarks at the Pentagon on January 18, 2018.
Dominique A. Pineiro/Flickr
Not a day passes without fresh speculation about the possible impeachment of Donald Trump, but history indicates that – barring a dramatic turn of events – he is likely to serve out his first term.
The secretary of state entered the firing line even before he uttered his infamous 'f****** moron' comment.
Special Counsel Robert Mueller (centre) has laid the first charges from his investigation into Russian interference in the 2016 US presidential election.
The indictments issued against a company and 13 individuals show a determination to disrupt the presidential campaign, but there is no allegation of collusion with Donald Trump's team.
Deputy U.S. Attorney General Rod Rosenstein announced the indictments Friday.
Thirteen Russians were charged Friday with using social media to interfere with the 2016 election. A media expert explains why this should not lead to government regulation of social media.
Special Counsel Robert Mueller.
AP Photo/J. Scott Applewhite, File
America's understanding of justice may be compromised, which is a more fundamental issue than enforcing the law.
Former National Security Adviser Michael Flynn, center.
AP Photo/Andrew Harnik
It hasn't always been, writes legal expert.
A statue of Pericles outside Athens City Hall. Like Trump, Pericles used war to deflect from bad news.
Does ancient Greek war hawk Pericles provide clues to a besieged Donald Trump's next move? War has always been a helpful distraction for cornered world leaders.
Charges against Paul Manafort predate his time as campaign manager to Donald Trump.
Former Trump associates face charges including conspiracy to launder money, failure to register as a foreign agent and lying to the FBI. A law professor explains what it means and what happens next.
U.S. President Donald Trump has taught the world many lessons since his time in office – mostly on how not to govern.
(AP Photo/Carolyn Kaster)
Love him or hate him, Donald Trump has shown us a great deal in his short time on the political stage. For that, we should be grateful. Here are the lessons taught by Prof. Trump.
Special Counsel Robert Mueller.
AP Photo/J. Scott Applewhite
What is a grand jury, who serves on it and what is it used for? A criminal law expert tells you everything you need to know.
Then-candidate Donald Trump hugs his son Donald Trump Jr. at a campaign rally in 2016.
Presidents past have used this nearly limitless power to halt criminal prosecutions before. What's to stop Trump?
Former FBI Director James Comey testifies on Capitol Hill in Washington.
AP Photo/Carolyn Kaster
Hoover abused his power as FBI director to serve presidents' interests. The reforms that followed were set up to prevent it from happening again.
Former FBI Director Robert Mueller testifies on Capitol Hill in Washington in 2011.
AP Photo/Evan Vucci, File
How will Mueller perform as special counsel? A historian compares his actions with another former FBI director to find out.
Robert Mueller will investigate any evidence of Russian involvement in the 2016 election of Donald Trump as US president.
The investigation is likely to end in one of two ways: the end of Donald Trump’s presidency, or the beginning of his second term.