WARSAW (Reuters) – The jailed Russian former oil tycoon and Kremlin critic Mikhail Khodorkovsky has been awarded the annual Lech Walesa prize, named after the Polish Nobel laureate who helped overthrow Communist rule. The Walesa Institute decided to give Khodorkovsy the prize, because he has "inscribed on the banner of his public life values such as economy freedom, civic values and social justice", Walesa said in the statement. Khodorkovsky, the former head of oil company Yukos, has been convicted of money-laundering, tax evasion and fraud. …