As Donald Trump continues to threaten to take control over the Gaza Strip, an unlikely consensus has emerged across hardcore jihadist and far-right circles: both strongly oppose any new US military actions in the territory. Now experts are warning that Trump’s plan is galvanizing two of the most dangerous and organized extremist movements with track records of domestic terrorist attacks. What initially began as an impromptu proposal during a White House visit with the Israeli prime minister, Benjamin Netanyahu, now appears to be the makings of serious policy: the president wants to turn Gaza into a sort of American resort...