Sen. Klobuchar: Why would GOP senators attend impeachment trial 'if they're not gonna protect the Constitution'

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During a break in the Senate impeachment proceedings, Sen. Amy Klobuchar expressed frustration at the continued opposition to witnesses from Republicans and Trump's defense. Of senators who appeared to be sleeping or looking away during proceedings, Klobuchar said, "I just don’t know why they would have this job and come here if they’re not gonna protect the Constitution."