Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Exactly six years after his inauguration, President Barack Obama offers Congress and the nation another State of the Union address. A look at these annual speeches reveals the rising and falling fortunes of the president's tumultuous time in office.

State of the Union: How Obama changed over six speeches