Cynthia Cheung,You-Myeong Kim, Brad Riew and Kunho Kim toured 20 cities in 50 days.

Cynthia Cheung,You-Myeong Kim, Brad Riew and Kunho Kim toured 20 cities in 50 days.

In early 2014, Harvard freshmen Kunho Kim and Brad Riew threw a giant map of the United States down on the floor and started circling cities. The epic road trip they had been discussi