The content originally appeared on: CNN CNN - He has about 2,500 kilometers to go until his journey is complete. But the great-grandson of India's first prime minister appears determined. Dressed head-to-toe in white, Rahul Gandhi is walking 3,500 kilometers (2,175 miles) across India to meet voters and revive interest in the Indian National Congress, a once powerful political party now struggling to win votes. Each leg is documented on live feeds and social media, but Gandhi is no longer […]