What’s the best way to teach aspiring legal minds halfway around the world?For Crystal Doyle, who heads pro bono projects at DLA Piper, the answer is pretty simple: Ask what they need to learn.Along with the firm’s global nonprofit affiliate New Perimeter, Doyle recently spearheaded a five-day workshop for students at the University of Zambia School of Law in the nation’s capital of Lusaka. The program, in its sixth year, also featured in-house counsel from Pfizer Pharmaceutical and lawyers from a …