If you are “behind on” something, you are trying to “catch up,” or “get up to speed,” or otherwise negate an implied deficiency. To be “out in front of” implies the opposite. The Michael Clayton quote is a bit of an anomaly in terms of common usage, as usually being “out in front of” is considered desirable. Think of it as such: when you’re “in front” of a problem, you’re also “ahead” of it …
