David Owen: Football and the power of the poppy

The 11th hour of the 11th day of the 11th month.
Like a high proportion of my fellow Brits, when that moment comes, I shall be standing silently with my head bowed in a gesture of solemn remembrance.
So why does it make me so angry when November rolls around each year and, like snowdrops in January, Premier League football shirts sprout scarlet poppies?