I was just twenty when I met Marcus.   A two hour train journey to London, we sat opposite each other with just  the customary  formica covered  table separating us.   I caught his eye a few times but disregarded the visual union as he was just an old man - older than my Father - yet like my dad smart, well groomed and stylishly dressed - for his age. My attention was for the first hour confined to the silly magazine I'...