Rupert Murdoch's News Corp. installed Emma Tucker as editor-in-chief of the Wall Street Journal in February 2023Matthias Balk/picture alliance via Getty ImagesEmma Tucker became The Wall Street Journal's first-ever female editor-in-chief in 2023.Her goal is to diversify and grow the paper's subscriber base, and it seems to be working.In an interview, she discussed staffing changes, a prescient story about Joe Biden's perceived decline, and Evan Gershkovich, the WSJ reporter recently freed from a Russian jail.In a grim news industry, The Wall Street Journal is a rare, consistent bright spot: A big, successful, old-school publication that never needed to figure out a subscription strategy because it was always in the business of selling subscriptions.But the Murdoch family, which owns the Journal, still wanted to shake things up at the paper.