India, Feb. 19 -- Farmers in certain parts of the country are restive once again. They have started marching towards Delhi to exert pressure on the Union government through sit-ins. They claim the government has not kept the promises it made to them. However, one question arises: If farmers are present throughout the country, why is their agitation not nationwide? I'll try to explain this in a bit, but first, let us first talk about a similar situation in Europe....