Napoleon, Snowball and Squealer
This is an argument, because Obama is striving to prove that America needs a new strategy for energy. In this argument he uses logos when he gives the audience specific statistics to support his point. He also uses pathos when he appeals to the emotions of the audience, the emotion of hope for a brighter and cleaner future.
The first sentence is that begins with his conscience was clear... and ends with he left all his cares to heaven. That is a common suggestion when one prays, that is, leaving all our cares to heaven. Somewhere the Bible says that we should put our problems in God's hands.
The second sentence confirms the one above. The second sentence begins "in the morning, after he had said his prayers ... "
