The campaign for Republican presidential nominee Donald Trump sought to quietly “kneecap” Pennsylvania Gov. Josh Shapiro in the days leading up to Kamala Harris’ much-anticipated choosing of Tim Walz as her running mate. Trump’s team knew it did not want the more moderate Shapiro to become the Democratic vice presidential candidate — and formed a “de facto alliance with the enemy of its enemy”: the progressive left, The Bulwark’s Marc Caputo reported Tuesday. An adviser to Trump, who remained anonymous, told the publication that they “amplified the leftists on Twitter” against Shapiro. Want mo…