France is leaving nothing to chance when it comes to security at the Paris Olympics which open on Friday, and some in the capital may feel reminded of a fortress. Armed police are patrolling in the streets and manning road blocks, helicopters are up in the air and speed boats on the River Seine to deter and prevent any kind of attack on the July 26-August 11 Games. The military is also involved, and the highest terror alert level has been in place since March. Security has been a top issue since Paris was awarded the Games in 2017, and 45,000 security forces will be on duty on Friday alone for…