The Associated Press published a story Friday about Barack Obama Sr.’s departure from Harvard decades ago, citing immigration documents that showed the president’s father was asked to leave “because the school was concerned about his personal life and finances.” While that story was hitting the newswires, President Obama talked about his father briefly in the commencement address he delivered Friday evening to Miami-Dade College graduates: “I didn’t know him well, my father -- and he lived a troubled life. But I know that when he was around your age, he dreamed of something more than his lot in life. He...