The relationship between politician and performer has not always been so smooth.
The Libya back-and-forth is the latest skirmish in a decades-long struggle between Congress and the president.
There is a broad consensus on the impact of today's brand of incivility: When people can't talk to each other, they can't solve important problems. But there are many competing views on the cause and the solution.
Just two days after President Obama's Jan. 25 State of the Union Address, former President Bill Clinton spoke about out-innovating competitor nations.
Clinton's visit to Vietnam in 2000 was one of the first news events where the Internet helped shape public opinion.