It hasn't always been, writes legal expert.
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.
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.
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.
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.
Presidents past have used this nearly limitless power to halt criminal prosecutions before. What's to stop Trump?
Hoover abused his power as FBI director to serve presidents' interests. The reforms that followed were set up to prevent it from happening again.
How will Mueller perform as special counsel? A historian compares his actions with another former FBI director to find out.
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.
An FBI historian tells stories from the agency's ups and downs over 109 years and four dismissed directors.