Or more exactly envy... When was the last time that Putin power and projects were questioned... It starts to make too long time in office. The transition will be sudden and unexpected for every outsiders. One morning Putin will be gone. Having foreign ennemies is the best thing to prolong power indefinitely... Everyone knows.
Putin could be replaced, but what alternative?
Communist Party, vision: communism
Liberal Democratic Party, vision: greater russia (invasion of Finland, eastern Europe, Asian countries etc)
A Just Russia, vision: social welfare, strongly supportive of Medvedev