Niraj Chokshi    Kamala Harris is camped out at a Pittsburgh hotel. Donald Trump is being peppered informally by aides. Both sides share the same belief about why the debate is so crucial.

Steven Lee Myers, Ken Bensinger and Jim Rutenberg    The Democratic nominee fell short to Donald Trump, but she had strong debate moments against him. In an interview, she offered some thoughts for Kamala Harris.

Ken Bensinger and Richard Fausset    Kamala Harris’s razor sharp debate skills have powered her political ascent. Her success next week will turn on how well she adapts to an unpredictable rival.

Michael Gold and Nick Corasaniti    We took photographs, captured degree video and counted attendees at six recent rallies to analyze which of the candidates’ claims on crowd sizes hold weight.

Zolan Kanno-Youngs    The capsule, which returned without astronauts, and other space programs at Boeing have suffered many delays and cost overruns.

Glenn Thrush    Federal prosecutors say Russia paid an American media company to push pro Kremlin messages from social media influencers including Benny Johnson, Tim Pool and Dave Rubin.

   The right wing think tank has been pushing misinformation about voting into social media feeds. The Georgia secretary of state’s office called one video a stunt.

   Speaking to the national board of the Fraternal Order of Police, former President Donald J. Trump made an appeal that could run afoul of state laws and prompt accusations of voter intimidation.

   President Biden spent decades seeking the highest office, only to drop his bid for re election under pressure. These final months before the November election are bittersweet, his allies say.

   A year old Pakistani citizen was arrested in Canada after plotting to carry out a mass shooting at a Jewish center in New York, according to the Justice Department.