Article continues below advertisementIn the wake of backlash for remaining silent on the killings of Renee Good and Alex Pretti by federal agents, former President George W. Bush appeared to subtly shade Donald Trump in a President's Day essay.Written as the debut piece for the new Substack site In Pursuit, a non-partisan, non-profit "national project to debrief the America experiment at 250 years," the 43rd president paid homage to George Washington while delivering subtle criticism of Trump."Our first president could have remained all-powerful, but twice he chose not to," Bush wrote.