Why Republicans must put the spotlight on national security at tonight's debate

Tonight's second Republican debate is an opportunity to recapture the issue of national security for the GOP. The need for decisive leadership in the tradition of Ronald Reagan is now and always has been a winning issue for the Republican candidate for president. The hopefuls on stage need to clarify their leadership on this key issue. The war of Russian aggression is the central issue in today's national security debate. So far, the GOP candidates have been mixed — and some indecisive — in their positions. Florida Gov. Ron DeSantis's campaign has faded ever since his early statement that Ukraine…