Here's why Trump's Ukraine misdeeds are a big (impeachable) deal

Based simply on what President Trump has admitted to, combined with one piece of as-yet-uncontradicted reporting, Trump has committed impeachable offenses in his dealings with Ukraine.

To understand why, let’s do something that should be second-nature, especially to journalists, but which very few people practice anymore: Let’s analyze the situation while removing all names and all partisan and ideological affiliations. Let’s also stipulate that the targets of the president’s interest (in this case Hunter and Joe Biden) are guilty as sin. (They probably are not guilty of criminal wrongdoing, but let’s assume they are.)