TODAY: Putin speaks at Valdai Discussion Club, slams US, protests Russian innocence; Bolotnaya activist completes prison sentence, urges Russians not to give up on protest; artist calls for united front against state censorship; former official given 12 years for treason; Greenpeace says dismissal of volunteer firefighters cost government $70mln; Rosneft seeking cancellation of Lukoil-Bashneft contract.