Obama nods to Friday Night Lights in tweet

In the show, which completed its five-season run in 2011, the fictional small-town Texas football team’s motto is: “Clear eyes, full hearts, can’t lose.”

The tv series, never a blockbuster, was a critical success, winning a number of awards and picking up a small but committed base of followers. The show was based on the 1990 nonfiction book Friday Night Lights: A Town, A Team, And a Dream by Buzz Bissinger.

Obama is in Chicago for the NATO summit.