As leaked emails from the Democratic National Committee rock that party's convention this week, federal law enforcement officials are investigating the hack and whether it was orchestrated by Russia.
Outside the convention arena in Philadelphia, protesters unwilling to give up on Bernie Sanders' candidacy weathered a heat index that local officials say reached 109 degrees.
Journalists, dissidents, human rights workers all tell stories of being followed and harassed by Russia's security services. They range from the comical to the frightening.
DNC officials, congressional leaders and even the icons of the party's progressive wing were subjected to jeers, catcalls and chants from an element of the audience on the convention's first day.
As the convention started, Bernie Sanders supporters were in an uproar over leaked emails. Their protests spilled onto the convention floor. But Sanders gave a strong endorsement of Hillary Clinton.
At the Democratic convention, the first lady said the election is about making a better future for the children. Hillary Clinton is the only candidate "who I trust with that responsibility," she said.
The first lady drew a sharp contrast between the Republican and Democratic presidential tickets, speaking as a mother and what kind of country Americans want for their children.
Outside the convention, supporters of Bernie Sanders demonstrated against what they said was a rigged system, while the atmosphere turned chaotic inside the convention hall.