The Democrats will not ditch Joe Biden ahead of November’s election as it is in their best interests to “prop him up”, according to a political commentator. Tim Young joined Mark Dolan on GBN America to assess the oldest ever sitting president’s chances of winning a second term. Mark suggested Biden is showing signs of cognitive decline with “increasingly erratic” behaviour, but Young believes this won’t be enough to deter the Democrats. “He will run in November”, he asserted. “We had a senator here, Dianne Feinstein, who I believe was in her 90s and they rolled her out. She could barely speak…