In the not-so-distant future, workers will make dozens of career changes over a working life of 75 or even 100 years. Michelle Weise, an expert on the future of work and author of “Long Life Learning,” says human skills like communication, creativity, and teamwork will remain critical in an era when robots and automation take over routine jobs. What’s more, workers increasingly will need to learn new skills rather than assuming a degree early in life will carry them through.