By Scott Malone (Reuters) – Best-selling U.S. author Tom Clancy, who thrilled readers with vivid descriptions of soldiers and spies in novels including “The Hunt for Red October” and “Patriot Games,” has died at 66, his publisher said on Wednesday. Clancy, whose books sold more than 100 million copies, died on Tuesday in his hometown of Baltimore, Maryland, Penguin said. “I’m deeply saddened by Tom’s passing,” said David Shanks, a Penguin executive who had worked with Clancy from the start of his writing career through the upcoming “Command Authority,” which is due out in December. …