To the editor:No one doubts that Russian President Valdimir Putin’s ultimate goal is to see Russia’s borders onceagain extend to the limits of the once-powerful USSR. The problem is that he wants to see it with his own eyes. He wants to preside over his restored masterpiece, Mother Russia.One reason we are seeing him move on Ukraine now is that he is 69 years old; he will be 70 in October. The average life expectancy for a man in Russia is 73.08 years. A known avid hiker and athlete, it may be that Putin’s apparently excellent physical health may help ...