UCLA kicked off spring football practice this week with plenty of optimism surrounding the improvements within the program, from the hiring of new head coach Bob Chesney to Angelo Mazzone III's recent $10 million donation. However, there's still a long way to go, and the Bruins have struggled since joining the Big Ten. If they want to change that this year, these are some questions they'll need to answer during the spring season. 1. What Is the Program's Identity? This is the most important question for any first-year coach and program builder. Two of the most important aspects of building a successful team are its foundation and culture, which go hand in hand. Over the last couple of seasons, UCLA's identity has been challenged. Much of that was probably due to the fact that it had previously been built to fit the landscape and styles of the Pac-12.…