Bangladesh, Oct. 22 -- President Donald Trump and his Democratic challenger, Joe Biden, are set to square off in their final debate Thursday, one of the last high-profile opportunities for the trailing incumbent to change the trajectory of an increasingly contentious campaign.

Worried about losing the White House, some advisers are urging Trump to trade his aggressive demeanor from the first debate for a lower-key style that puts Biden more squarely in the spotlight. But it's unclear whether the president will listen.

Biden, who has stepped off the campaign trail in favor of debate prep, expects Trump to get intensely personal. The former vice president and his inner circle see the president's approach chiefly as an effort to distract f...