Rob Reiner, left, was "someone I wanted in my life," actor Cary Elwes writes in a new tribute to his friend, who was found dead in his home with his wife in mid-December. (Ari Perilstein / Getty ...

"The Princess Bride" star Cary Elwes says he will remain in mourning long after the shocking deaths of beloved friend Rob Reiner and his wife, Michele Singer Reiner, earlier this month. "Because my ...