Rohan Banerjee Part 1: Viral Villain Raj Mehta believed in three things: breakfast before tweets, a drizzle of extra virgin olive oil on everything, and the sanctity of the last slice. The first two had kept him mostly sane. The third was about to ruin his life. It happened at a café in Lajpat Nagar that insisted on calling the waiter a “pizza sommelier.” Raj was reviewing their new menu for his channel, Raj On A Plate, which, if we’re honest, was a modest plate. Not fine china. More like a laminated thali. The café had one wood-fired Margherita left…