(CNN) Two weeks of impeachment hearings have revealed as much about the Republican Party as they did about the President's actions toward Ukraine.

House Republicans barely twitched as one witness after another testified about Trump's efforts to withhold assistance and diplomatic meetings with Ukraine President Volodymyr Zelensky in exchange for an investigation into his political rival, former Vice President Joe Biden.

Republican congressmen like California's Devin Nunes, the ranking member, and Ohio's Jim Jordan relentlessly shouted out conspiracy theories and questioned the veracity of witnesses as if they could hear nothing of the testimony the witnesses just given.

The Republican lawmakers spent as much time castigating the "fake media" and the "Russia hoax" as they did the matter at hand. They conducted a purely talking-point hearing with an intended audience of three: President Trump, Fox News hosts, and the Republican base.

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Coming from a party that until relatively recently had been united on a tough national security posture toward countries such as Russia, there was a striking lack of outrage about the President's strong-arming of a key ally on the frontlines of the effort to contain Russian President Vladimir Putin's aggressive actions.

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