Yogendra Yadav: Are farmers' protests a defining moment for India?

Thousands of Indian farmers are keeping up their long-running protest against farm law reform. Stephen Sackur interviews Yogendra Yadav, leader of the Swaraj Party and prominent backer of the farmers’ cause. India’s Prime Minister, Narendra Modi, has faced down a host of opponents in the past. Is his government versus the farmers a defining moment for India?