write and comprehend, everything would be better. >> reporter: occasionally, there was some controversy. in 1990, when mrs. bush was asked to speak at welsley's commencement ceremony, students protested claiming she wasn't feminist enough. she responded with a speech that brought everyone to their feet. >> who knows, somewhere out in this audience may even be someone who will one day follow in my footsteps and preside over the white house as the president's spouse and i wish him well. >> reporter: that political savviness made him a force on the campaign trail well into her 90s. during the 2016 presidential primaries, mrs. bush gave one of her last television interviews to cnn while stumping for her son, jeb. >> what do you really think of donald trump? >> i do not -- i don't even think about him.