In modern dating parlance, “ghosting” is when someone suddenly stops returning your calls and seemingly vanishes as if your involvement was merely an apparition. Moreover, if the “ghost” unexpectedly returns, trust is undermined, and a continuation of any relationship is impossible. So what happens when the partner isn't romantic but geopolitical? In refusing to answer President Joe Biden’s requests for help with energy costs that might tank the U.S. economy, Saudi Arabia is doing just that: ghosting. Still, Biden is set to travel to Saudi Arabia this week, in part, to beg the Kingdom to...