The book, not coincidentally, comes as Sen. Kamala Harris is expected to launch her presidential campaign in the coming weeks. Chip Somodevilla/Getty Images hide caption toggle caption Chip Somodevilla/Getty Images Review Book Reviews Kamala Harris' 'The Truths We Hold' Demonstrates What's Wrong With Campaign Books January 8, 2019 Though not a literary masterpiece, the California senator's book is effective as a campaign tool: She makes an argument for a chance at the presidency — like the prosecutor she is.