The best defense the Republicans have been able to mount in the impeachment inquiry has been that President Trump was rightly concerned about corruption in Ukraine, and was acting properly in attempting to make sure our military aid did not go to a country where it would just be divvied up by the rich and powerful for themselves. 

That is certainly a legitimate concern, and most of us would agree that we don’t want our tax dollars being wasted that way. So was it Trump’s true purpose...