 And what you see here is a pretty low ceiling for both Trump and Biden. They don't get above 45 percent, either one of them. I'm struck by the number, though, for Bobby Kennedy Jr. That's almost one in five voters who say they may consider voting for the third party candidate, even though he's not on the stage tonight. It will be the first time a sitting president has squared off with a former president. The American economy expanding at an annual rate of 1.4 percent between January and March. That's according to the Commerce Department. You're listening to ABC News.