Politico's Tim Alberta on why he thinks "the most essential branch of the U.S. government is collapsing"
Chief political correspondent at Politico magazine, Tim Alberta, joins CBSN's "Red and Blue" to discuss his article, "When Impeachment Meets a Broken Congress." He says "the most essential branch of the U.S. government is collapsing before our eyes - right as it faces a historic showdown" over impeachment.