There are really just two possible choices for person of the year. I want to say Pope Francis, but I've got to go with Edward Snowden.
The spiritual leader of 1.2 billion Roman Catholics and a whistleblowing fugitive from American justice have just one thing in common: impact. Francis, by shifting his church's focus to social justice, may change the world. But Snowden, by revealing the vast extent of government surveillance, already has.