WASHINGTON, Aug 1 (Reuters) - On Friday, U.S. President Donald Trump stated that he had directed the deployment of two nuclear submarines to select regions. This move followed remarks by former Russian President Dmitry Medvedev, who referenced the potential for war between the countries. Experts on national security described Trump's action as more rhetorical than operational, since the U.S. already maintains a presence of nuclear submarines capable of reaching Russia. Medvedev, speaking a