New York (AFP) – For nearly a decade, America’s satirical “The Onion” publication has run a headline that’s come to epitomize the futility many people feel in the wake of yet another US gun massacre. “‘No Way To Prevent This,’ Says Only Nation Where This Regularly Happens” reads the title, which the outlet published on Wednesday for the 21st time since 2014. The headline routinely makes the social media rounds after mass shootings, as flags are lowered to half-staff, moments of silence are held and US lawmakers offer words of condolence, perhaps even anger or tears — but ultimately little els…