Critics are pushing back against a ProPublica report criticizing Justice Clarence Thomas for two unreported speaking engagements with a Koch philanthropy group, saying claims of illegality or unethical behavior are ‘false’ that don’t ‘hold water.’ On Friday, ProPublica — which purports to be an independent, non-partisan outlet but has received donations from left-leaning entities — published the latest in a series criticizing Justice Thomas for allegedly violating Supreme Court ethics, which Thomas has denied. The Friday report claimed he "secretly" spoke at donor events for a political organization founded by libertarian billionaires Charles and David Koch "at least twice over the