This is no April fool’s joke – Mad March is done and dusted and we are running headlong into April and soon the second half of the year. There is a lot to be excited about this month – new concepts and menus as many try to squeeze the last drops out of us before Ramadan. So here it is – where you should be spending your dining and drinking riyals in Doha this month: Oishi Sushi As they say, out of sight and out of mind. I had forgotten about this gem of a restaurant tucked away in a corner of Royal Plaza until they took the recent food…