The presidential campaign roller-coaster ride over the past two months—and whatever happens through November—will be dissected by political scientists and historians for decades. But we can glean important lessons today on communications, perceptions of leadership and, especially, succession planning from this unprecedented summer.

More than half of the nation's 46 presidents (26) have been attorneys, so many of us may inherently possess the skills and—let's be honest—ego required to pursue higher office. Even if we are not interested in political positions, persuading, leading and planning for the future are what we offer clients and need to do for ourselves and our organizations.