India, Jan. 30 -- In the second week of April 1915, Mohandas Karamchand (not yet Mahatma) Gandhi visited Delhi for the first time. He had just come back to his homeland after two decades in South Africa, where he had made a name as a lawyer and an activist. His mentor, Gopal Krishna Gokhale, told Gandhi that for a full year he should travel across India, getting to know the country, before deciding what sort of public career he chose to have....