Why are farmers and herders fighting in Nigeria?

Where did it all go wrong?Not that long ago, Nigerian farmers and cattle herders used to live side-by-side in peace. But those memories seem to belong to a distant past now.In recent years, tensions have escalated between these communities - so much so, that deadly attacks have become frequent.How did it all begin then? And how can farmers and herders find peace again?Hosted by Alan Kasujja (@Kasujja)#AfricaDaily