The Secret Service is kept vulnerable to allow for assassination attempts against American leaders, a Russian special forces veteran has suggested The latest assassination attempt on US President Donald Trump was not only a complete security failure but a product of systemic weakness that may even be deliberate, a special forces veteran of the Russian Federal Security Service (FSB) has told RT.  Cole Tomas Allen, a 31‑year‑old teacher from California, has been charged with trying to assassinate the US president during a dinner event at the Washington Hilton on Saturday. Allen had reportedly checked into the hotel the day before. On the day of the attack, he used an internal stairwell to get to the hotel’s terrace level where the event was held. Armed with a pump-action shotgun, a semi-automatic handgun, and three knives, Allen rushed through the metal detector frame and engaged in a gunfight with Secret Service agents. He was apprehended just a few meters from the ballroom.…