When they created the mini-series Justice a couple of years ago, Alex Ross, Jim Krueger, and Doug Braithwaite were accused by some of using the story as a platform to "undo" a lot of things they didn't like about the DC Universe -- such as the death of Aquaman's son, and Hal Jordan's transformation into Parallax.
However, in looking back at the series, one has to wonder if it was also used to provide some clues into what would happen in the future. Take, for example, a detail from the following painting, depicting the Green Lantern Corps:
Here's the detail in question:
Fear and hope, hmm? Coincidence, or a clue, in relation to The Blackest Night? One has to wonder.