my father was a long-time history professor at uga and so during the course of time, he, you know, at the breakfast table we talked about presidential politics and presidential descendents and i learned so many stories about both families from those conversations that i had with him. >> the two are very different, aren't they? >> they are. >> absolutely. >> let's start with the one whose family name there, mckinley. what do you want people to know about him since you've studied some of his legacy and life, what do you think is the most important thing to know about william mckinley? >> i think everybody remembers that he was assassinated in buffalo, but the most important thing i think, susan, and i think robert mary's book has brought that to light, is how powerful of an impact his presidency, you know, gave the country because we had industrial revolution, we had, you know, expansion around the world, we had just tremendous growth and i think a lot of times, sadly enough, both grover cleveland and william mckinley are often forgotten. through books written about both, especially abo