Advisers to President Trump are pushing him to dismiss his campaign manager Brad Parscale, arguing he lacks the political instincts to lead the team to a second term in the White House. With just five months until the election, Republican operatives, individuals close to the Trump family and advisers both inside and outside the White House believe Parscale is out of his depth for what will be a closely fought election against Democratic opponent Joe Biden. All spoke to The Post on condition of anonymity. “People within his inner circle continue to question Brad’s ability to bring the campaign down...