Another sign that unification between the IRL and Champ Car could come in the next few days is that Champ CarWorld Series director of operations, Paul 'Ziggy' Harcus, has accepted a new position with Andretti Green Racing as team manager for its IndyCar Series operation.Harcus ' defection ' to the IRL follows not long after another key Champ Car official, former race director Tony Cotman, moved in the same direction. With both sides still talking over a possible merger, AGR's acquisition is being noted as a possible indicator that there will be only one open-wheel series in 2008.
Another Champ Car boss switches to the IRL