In the midst of his now-released testimony to the House Intelligence Committee, former diplomat Kurt Volker confirmed a key point about the impropriety of aspects of President Trump’s pressure on Ukraine’s government.

A column of mine six weeks ago explored this key consideration. In sum, it involves the crucial difference between: 1) asking a foreign government to help garner facts relevant to a specific, current U.S. investigation and 2) asking a foreign government to target a U.S. citizen, under its own laws, even though the American is under no U.S. investigation and not alleged to have committed any specific U.S. crime.