An essential and great ally one day, road kill the next. Such is Israel’s topsy-turvey relationship with the Trump White House.  The wild swings offer the clearest example yet of how widespread criticism of the generous deal with Iran is rattling the administration.  As dizzying events demonstrate, Trump himself is riding an emotional roller coaster.  Axios, citing administration insiders, reports that the president unloaded on Israeli Prime Minister Benjamin Netanyahu in a Monday phone call.  “