PATNA, Aug. 8 -- Leader of the Opposition in the Lok Sabha Rahul Gandhi and Bihar opposition leader Tejashwi Prasad Yadav, along with other INDIA (Indian National Developmental Inclusive Alliance) bloc leaders, will launch a 'Vote Adhikar Yatra' from Sasaram on August 17 to drum up support for the alliance, the main political challenger to the ruling NDA in Bihar, people familiar with the matter said. Both Rahul and Tejashwi will lead the Yatra, which will cover several districts in the Magadh region in the first phase....