In the dimly lit cellars of London's oldest wine merchant, Texas is not the first thing that springs to mind. But nearly 200 years ago, Berry Bros & Rudd was home to the Embassy of the Republic of Texas. If you look closely, you can see a remaining "Texan Legation" plaque on the wall outside the St James's Street store. After Texas joined the US in 1845, the embassy closed - and the Texan diplomats headed home, apparently leaving behind an unpaid rent bill. Now, two centuries later, the State