MOSCOW (Reuters) - They know of communism only from their parents' stories, their memories of the chaotic post-Soviet 1990s are hazy and they aspire to take their holidays in Thailand rather than the Crimea. This is the Putin generation: 18-to-21-year-old Russians who came of age under Vladimir Putin's presidency and will vote in their first parliamentary election on December 2. And they will throw their support behind him. "Old people want stability, young people want change, want to move forward," 20-year-old Pavel Romanov said as he strolled past Western cars parked along a narrow Moscow street. Romanov will cast his...