The Grand Tour Presents series, Amazon’s installment rework of the formerly tent-based automotive series. Following up their “Seamen” premiere (which I liked) and “A Massive Hunt” (which I didn’t), Clarkson, Hammond, and May get back to their basics of years ago with “Lochdown.” And there’s not a lot wrong with that. Before you read any further, be advised this article contains major spoilers of the episode. Youâve been warned! The premise of Lochdown is a simpler one than the prior episode, an answer to a question: Why didn’t American cars catch on in Europe? The question itself is enough for any viewer to anticipate the era of cars the oldÂ