Yingluck Shinawatra, sister of toppled premier Thaksin Shinawatra and the prime ministerial candidate for the country's biggest opposition Pheu Thai Party, greets her supporters during an election campaign in Nong Khai province, east of Bangkok June 6, 2011. Thai political parties have started campaigning across the country ahead of a general election scheduled for July 3. REUTERS/Sukree Sukplang (THAILAND - Tags: POLITICS ELECTIONS)