Regardless, there is no way he should allow himself — or be allowed — to deal in any way with a contest in which Hillary Clinton is the overwhelming favorite to become the Democratic candidate for president.

Exhibit A of why that is the case came on April 26, when Stephanopoulos aggressively grilled Peter Schweizer, author of the book Clinton Cash, which is critical of the Clinton Foundation. Stephanopoulos failed to disclose that he was a benefactor of said foundation. But even if he had, that would hardly have eliminated the problem. The issue is the donations themselves.