Bill Gates' summer reading list this year is all about memoirs

Bill Gates releases his summer reading list every year.

Mike Segar/REUTERS

• Bill Gates releases his summer reading list featuring five memoirs.
• The list includes books that he said influenced his own memoir, "Source Code."
• Gates highlighted authors Katharine Graham, Trevor Noah, Nicholas Kristof, Tara Westover, and Bono.

Bill Gates is on a memoir kick this summer after publishing his own in February.

The 69-year-old dropped his annual summer reading list on Saturday...