For years, the U.S. Environmental Protection Agency (EPA) has been frustrated in its efforts to pursue hundreds of cases of water pollution — repeatedly tied up in legal fights about exactly what bodies of water it has the authority to monitor and protect.

As the killing and destruction rages on in Gaza, and as Israeli Prime Minister Benjamin Netanyahu and the Hamas leadership exchange recriminations and threats, key regional and world players must accept a central truism: No peace can be achieved between Israel and the Palestinians without including Hamas. The quicker they internalise this fact, the faster the cycle of violence can be broken.