Here’s what Lexus has planned for its next halo sportscar, which is an interesting mix of the past, the present, and the future. The original Lexus LFA was a great car but a sales flop. Lexus only made 500 cars, but it was hard to sell them. When it finally came out, it was one of the most misunderstood supercars because it took so long to make and had an old powertrain and a high price. Now, years later, it is one of the most-wanted cars in the world. This…