A veteran soldier has made his debut on national television by going on a blind date. Frank Sinatra fan Ronald Brown, 91, ticked off one of his “to-do” wish-list by appearing on the hit matchmaking show First Dates where he chatted up Iris, who’s the same age. The pensioner from Twydall, whose wife Louisa died 30 years ago, has always been a fan of the programme, now in its 10th year And he confided in a friend that he’d like to have a go at trying his luck for perhaps a final fling at romance. His mate, charity worker and author, Rocky Troiani contacted the team of the Channel 4 production an…