1. They are not sure where they are heading. (Rowing blinding)
2. They are trying to head away from the recession. (Boat away from "recession")
3. No one is leading the G-20. (No Man on deck to guide the way)
4. The outcome after the meeting is unclear. (not too sure whether the boat will fall down, hover, or fly up)
This is a tough cartoon to interpret. Leave me a comment to let me know your view.