As Lionel Messi rose up the ranks of the storied Barça football club in Spain, he dreamed of winning a World Cup for his home country. But up until recently, playing with Argentina's national team has proven to be this soccer superman's kryptonite. For most of his career, Messi has wrestled with the disappointment of the home crowd after each devastating World Cup loss. Over time, his connection to his own country has been questioned after spending time abroad.

What can Messi's story tell us about the cost of leaving home, and the struggle to return?