Complex sentence: Obama denounced the statements in question, but after critics continued to press the issue of his relationship with Wright he gave a speech titled "A More Perfect Union", in which he sought to place Dr. Wright's comments in a historical and sociological context.
Split into simpler sentences: Obama denounced the statements in question, but critics continued to press the issue of his relationship with Wright. In response to this, he gave a speech titled "A More Perfect Union", in which he sought to place Dr. Wright's comments in a historical and sociological context.