Rosen Plevneliev, presidential candidate of Bulgaria’s centre-right ruling GERB party flashes thumbs-up before the start of his news conference in Sofia October 23, 2011. Plevneliev led the first round of Bulgaria’s presidential election on Sunday and faces a run-off against Socialist Ivailo Kalfin after a campaign marred by protests and violence, exit polls showed. REUTERS/Stoyan Nenov (BULGARIA – Tags: ELECTIONS POLITICS)