Question: "A More Perfect Union" is the name of a speech delivered by then Senator and future President Barack Obama on which date, Obama was responding to a spike in the attention paid to controversial remarks made by the Reverend Jeremiah Wright, his former pastor and, until shortly before the speech, a participant in his campaign?
Sentence (from "Jeremiah Wright"): Jeremiah Alvesta Wright Jr. (called Jerry; born September 22, 1941) is a pastor emeritus of Trinity United Church of Christ in Chicago, with a congregation exceeding 6,000.
Relevant evidence: Yes