An unexpected bright spot in south Tel Aviv yesterday, less than a week after the race riots: Israelis celebrated Shavuot with the children of African asylum seekers in Levinsky Park, the public space next to the Central Bus Station that has become a hub for the migrant community. As I have done countless times over the past four years that I have been covering and researching migrant workers and African asylum seekers in Israel, I spent most of yesterday hanging out in south Tel Aviv, conducting man-on-the-street interviews. After last week's race riots, the mood in the area is dark,…