Rep. Elissa Slotkin: How I reached my decision on impeachment

On September 23, I wrote in an op-ed column for the Free Press that I believed President Trump's actions regarding Ukraine, by his own admission, warranted the opening of an impeachment inquiry. I was part of a group of freshman members of Congress, all with backgrounds in military or intelligence, who called on the U.S. House of Representatives to use all available authorities to determine the truth and protect our national security.

I did not make that call lightly. Over the past year, while an increasing number of my colleagues...