He will lay low for eight years and then start a charitable foundation to bring equal education to poorer schools in the US and abroad. He will write a book on race relations in America. He will be appointed at UNICEF Goodwill Ambassador and help organize relief efforts in disaster areas. He will attend his daughters' college basketball games while wearing a hat. He will be appointed part head of a delegation to retrieve the remains of US service-members missing in action. He will say, at some point, "Right now, I don't want to talk about politics. I want to focus on Malia. This is her day and we couldn't be more proud." He will get an ice cream while walking on the beach in Hawaii. He will attend the funeral of George H.W. Bush. He will make a speech about forgotten landmines but never do anything substantive about it. He will have an incident with his heart while traveling, he'll play it off as nothing, but then he'll have stents put in. He will lay in state in Chicago, then be borne down Pennsylvania Avenue by a horse-drawn coach and buried in Arlington National Cemetery. He will spark a movement to raise funds for a memorial. The first several designs for the memorial will be rejected and then they'll just go with a statue. He will be the namesake of a Supreme Court Justice. His words will be quoted by one of the first six people on Mars.
After that, I can't see very clearly.