LONDON — Britain is known for its unarmed bobbies on the beat. But tourists visiting London will have to get used to the city's landmarks being patrolled by more and more officers wielding firearms. The Metropolitan Police announced the increase — dubbed Operation Hercules — during a show-and-tell event in central London on Wednesday. As well as the armed cops who will be guarding the London's potential terror targets, also out in force were the Met's elite... (GunPolicy.org)