The House select committee’s report detailing its probe of the Jan. 6, 2021, insurrection provides overwhelming evidence of former President Donald Trump and his allies’ efforts to overturn the results of the 2020 presidential election, including multiple instances in which Trump was fully aware that he had lost and examples of potential witness tampering during the panel’s public hearings. The 845-page report released Thursday presents findings from the panel’s 18-month-long investigation into the events of Jan. 6, 2021, including Trump’s attempts to undermine the peaceful transfer of power by pushing unfounded claims of voter fraud and pressuring officials in states...