Since the late Marcos period at least, Mendiola Street has been known as a hotbed of protest activity as people marching there aimed to have their grievances and protests heard a bit closer by whoever is at Malacañang at the end of the said street. The epicenter of sorts of these activities is the bridge along Mendiola that crosses the Estero de San Miguel, named today in memory of one of those who took part in those protests along that storied street. His name is Joaquin Roces, better known to family and friends as “Chino.” And he was no mere protester. He belonged to one of Manila’s most illustrious families,…