Oprah Winfrey told students to live with purpose. President Donald Trump said to ignore the naysayers. Will Ferrell sang some Whitney Houston.
Those are a few of the speakers who have taken the stage at college graduation ceremonies this month to share their wisdom, joining a wide range of others in entertainment, politics, business and journalism. In their efforts to inspire the Class of 2017, they've elicited both laughter and tears and, in some cases, jeers.