Sen. Lamar Alexander on Senate impeachment trial: 'We have a constitutional duty to hear the case' The Citizen 6 years ago Tennessee Sen. Lamar Alexander is speaking out as President Donald Trump’s impeachment trial back underway in the Senate. Source: The Daily News Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Sen. Lamar Alexander wants to wait on ordering witnesses, documents in Trump impeachmentDateJanuary 24, 2020In relation toLascassasSen. Lamar Alexander defends witness vote, says president's actions inappropriate but don't warrant removalDateJanuary 31, 2020In relation toLascassasU.S. Sen. Lamar Alexander backs McConnell, effort to move forward with Supreme Court nominationDateSeptember 21, 2020In relation toLascassas