(CNN) Everyone's unfair to Donald Trump. Just ask him.

Despite being president of the United states, a self-declared billionaire many times over, a champion of grabbing media attention and master of the Republican Party, Trump is a victim in his own eyes. The meanies who are after him now are the Democrats in Congress and you can bet he's going to whine about it from now until Election Day in 2020.

As House Democrats debate the ramifications of impeaching Trump -- House Speaker Nancy Pelosi seems especially hesitant -- they seem to be overlooking the obvious: Trump is going to play the victim no matter what they do.

With this in mind, they would be better off proceeding to impeachment. At least then they can deny him the chance to claim that, in backing off, House Democrats proved they were never serious in the first place.

He's so good at this "heads I win, tails you lose" game that anyone who opposes him must refuse to play along by sticking to the task at hand and ignoring the politics. For the House, this means taking a serious approach to Trump's obstruction of justice, including his many refusals to respond to congressional requests for information.

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