President Vladimir V. Putin of Russia, facing no real challenger, has been elected to a fourth term, drawing support from more than three-quarters of voters. How is the most powerful man in Russia staying that way? Guest: Steven Lee Myers, a former Moscow bureau chief of The New York Times who covered Mr. Putin’s rise to power and who is the author of “The New Tsar: The Rise and Reign of Vladimir Putin.” For more information on today’s episode, visit nytimes.com/thedaily.