Former Formula One driver Sebastian Vettel has organized several activities to honour the late F1 great Ayrton Senna during this weekend’s Emilia Romagna Grand Prix in Imola. The four-time world champion has invited the current drivers on the grid to a track walk on Thursday at the Autodromo Enzo e Dino Ferrari, where Senna suffered a fatal crash 30 years ago. They will meet at the start-finish line and stop near Senna’s monument at the Tamburello corner, where he crashed, for a minute’s silence. After the drivers’ parade ahead of Sunday’s race, Vettel will drive a McLaren MP4/8 around the tra…