Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A politician's life

Read Kissinger andEinstein: His Life and Universeone after the other to see how Isaacson deals with two professionally different, but similar, persons who have had great effect on the US and the world. Both left Nazi Germany to escape persecution and rose to the top of their fields. As a bonus, the two biographies challenge the reader in physics and world politics, as well as generate new interest in these fields.