The Secret Service has thwarted another assassination attempt on former President Donald Trump, though the incident is bound to raise questions about the competence of the government authorities trusted to keep politicians safe. On Sunday, at 1:30 p.m., the former president (and current presidential candidate) was golfing at the Trump International Golf Club in West Palm Beach, Florida, when his security detail spotted a rifle in the bushes. The Secret Service opened fire, and the would-be assassin fled. He was later apprehended and identified as 57-year-old Ryan Wesley Routh. The FBI is inves…