How Trump, Biden are preparing for first presidential debate

WASHINGTON — Ahead of the first debate-stage matchup between President Donald Trump and his Democratic challenger Joe Biden, each campaign is promising a stark contrast in policy, personality and preparation. Trump has decided to skip any formal preparation. And while Biden's team believes the significance of the debate may be exaggerated, the Democratic nominee has been aggressively preparing to take on the president. Biden's campaign has been holding mock debate sessions featuring Bob Bauer, a senior Biden adviser and former White House general counsel, playing the role of Trump, according to a person with direct knowledge of the preparations granted anonymity to discuss internal strategy....