Four things presidents always talk about during SOTU

Times change, but issues remain. These four themes have emerged during modern State of the Union addresses, no matter the President's pa...

Times change, but issues remain. These four themes have emerged during modern State of the Union addresses, no matter the President's party or the year. They each have had their own solutions, but the issues have remained largely unchanged.

source https://www.cnn.com/videos/politics/2015/01/19/orig-bw-four-things-sotu.cnn