Republican Senator Cory Gardner is what you would expect in a swing state like Colorado: affable, supportive of his party when it benefits his state, unafraid of independence, and not angry about any of it. Like Senator Kyrsten Sinema, Reps. Peter Welch, Elise Stefanik, and Will Hurd, Gardner has a different kind of personality than what is typically rewarded in the modern political environment. His uniqueness allowed him to successfully unseat a purple state Democratic incumbent to become Colorado’s junior senator in 2014. It also makes him the real target of impeachment. The impeachment of President Donald Trump is not...