elizabeth rosenthal a examines the business side of healthcare in her book, an american sickness how healthcare became big business and how you can take it back. ohio governor john kasich is interviewed on his book, two paths, america divided or united. that's tonight on c-span2. >> don't be afraid of your ambition, of your dream, or even your anger. those are powerful forces. harness them to make a difference in the world. stand up for truth and reason. >> remember this, nothing worth doing ever came easy. following your convictions means you must be willing to face criticism from those who lack the same courage to do what is right. >> remember what it felt like to gain a new perspective, to understand that new knowledge and a set test, to master a new skill or maximize your talents so that when life knocks you down, and i promise you, it will knock you down, you will get back up because you know what it takes to rise. >> saturday night at 80 stern, 2017 commencement speeches. speakers include hillary clinton at wellesley college in massachusetts, president donald trump at liberty u