Choosing a career is only the first step to making your dream come true. You have to be willing and able to make it through the necessary training to achieve your goals. Whether you are already attending college or just starting to look into schools, it's important to know where you want to end up so you can plan accordingly. To help guide you, here are four popular careers and how to train for them. Mechanical Engineer If you love problem-solving and tinkering with differen