Dr. Mehmet Oz, who earned former President Donald Trump’s primary-race endorsement in April, is going down in flames according to a new GOP poll. Republican-affiliated Public Opinion Strategies reports that surgeon-turned-TV-host Dr. Oz trails Democrat John Fetterman by nearly 20 points!Trump gave Oz his “complete and total endorsement” before the wide-open GOP primary of six candidates, a move that probably sealed the deal with Pennsylvania Republicans. The doc won in a squeaker, barely beating out second-place finisher David McCormick, 31.2% to 31.1%. The former president praised Oz’s positions on abortion, crime, the Second Amendment, border security, the military, education, energy...