Did Donald Trump Just Guarantee His Own Impeachment?

Let's all just be honest with each other: Donald Trump is probably going to be impeached. I said as much a little over a week after the President's inauguration when protests broke out at airports nationwide following a bungled attempt to make good on the whole Muslim ban campaign promise (aside: it's exceptionally surreal that we're even using the phrase "Muslim ban" and "campaign promise" in the same sentence). Since then, it's been one disaster after another. The evidence of Russian coll