An inflection point is a time of significant change; a turning point. Right now, the very way philanthropy works in the U.S. is being critically examined by a growing chorus of experts and scholars who are challenging some of the basic assumptions that underlie giving. The tax code, lack of accountability and transparency, scant government oversight, the outsized opportunity to influence public policy, media adulation of megadonors and more are causing many to question whether a major restructuring of the philanthropic sector is warranted.