AN ENGLISHMAN'S CASTLE IS HIS HOME The mid-seventeenth century should have been the perfect time for aristocrats like Lord Galton, owner of the rural retreat of Henandwya Castle. With the country free from the threat of invasion for the first time in centuries, the Scots and Welsh pacified and the dispute over the one true religion confined to a few crackpots throwing pews around in Glasgow, it should have been time to convert swords into ploughshares and old family castles into stately homes. But then some piffling local dispute in London escalated and the next thing you knew, armies were...