The White House on Wednesday released the transcript of President Trump’s July call with Ukrainian President Volodymyr Zelensky, and the news is that Mr. Trump was telling the truth about it. The conversation was largely routine diplomacy, and even the reference to Joe Biden was less than promoted by the press. Good luck persuading Americans that this is an impeachable offense.

The five-page transcript shows that Mr. Trump called to congratulate Mr. Zelensky on his party’s victory in Parliament. After niceties, Mr. Trump waxes...