Syria opposition seeks clarity from power-broker Russia at Geneva talks

By Yara Abi Nader and John IrishGENEVA (Reuters) - The main opposition group at Syrian peace talks in Geneva wants to meet Russian envoys to discuss what it says are Moscow's broken ceasefire promises, a move diplomats say aims to put pressure on the Russian-backed Syrian government delegation.Russia has sought to revive diplomacy since its air force helped the Syrian army and allied militias defeat rebels in Aleppo in December, President Bashar al-Assad's biggest victory in six years of war.Des