Matthews: Biden's Not 'In the Running for Moderate Leader' - Sanders 'Delivered a Knockout Punch' to Warren

During MSNBC's New Hampshire primary coverage on Tuesday, host Chris Matthews stated that 2020 Democratic presidential candidate former Vice President Joe Biden "is not even in the running for moderate leader anymore," and 2020 Democratic presidential candidate Sen. Bernie Sanders (I-VT) "delivered a knockout punch tonight" against fellow 2020 Democrat Sen. Elizabeth Warren (D-MA).