The present Congress has not accomplished very much in the nine months it has been seated in no small part because its members have been spending so much time attacking or defending President Donald Trump. The latest issue is a July phone call between President Trump and Ukrainian president Volodmyr Zelensky in which Trump asked President Zelensky to “look into” the private activities of former Vice President Joe Biden and his son in Ukraine implying that such an investigation could be a quid pro quo for a U.S. economic and military aid package for Ukraine.  To ask a high ranking foreign official to investigate a potential 2020 election opponent is highly questionable behavior, and to imply that a needed aid package might...