"It's going to take some more time to draw a clear picture of what transpired here, " a U.S. official told NPR on Tuesday.

NPR: U.N. Debates Response to N. Korean Nuclear Test

For example, in many states, courts will find play-for-cash fantasy games to be illegal if they are found to involve more chance than skill. ( For a discussion of some states that take an even more restrictive view, see here).

FORBES: CBS Sports Moves into Riskier Fantasy Games