Jaguar's newest sportscar is the 2014 F-Type, due on sale in the U.S. in the summer of 2013.Slotted below the XK roadster and coupe but overlapping them in price, the new F-Type convertible may have a spiritual ancestor in the classic Jag E-Type, but as chief designer Ian Callum says, "this car is for now."And for now, it's a sportscar...