February 8, 2013, 12pm PST
It will cost more than $50 billion to transform the "once sleepy" Black Sea resort of Sochi into the "sleek host" of the 2014 Winter Olympics, writes David M. Herszenhorn. The most expensive games ever is a pet project of President Vladimir V. Putin.
April 1, 2008, 10am PDT
<p>Former Russian president Vladimir Putin has announced his intentions to propose that Russia and the United States move forward with plans from the early 20th century to build a 64-mile tunnel between the two countries.</p>