Obamajune24
Starting Wednesday, President Obama will make a series of speeches on the economy. He's trying to set the stage for this fall. - 

Starting Wednesday, President Obama will make a series of speeches on the economy. He's trying to set the stage for this fall.

Tesla Motors CEO Elon Musk says he will reveal plans for the so-called Hyperloop on August 12. Musk has only hinted at what the Hyperloop is, but he's described his latest idea as a "cross between a Concorde, a railgun and an air hockey table."

And, when it comes to per capita income level, which country is most like China?

Follow David Brancaccio at @DavidBrancaccio