Listen to this article Andretti revealed back in February that he was working on establishing a new F1 operation to join the grid in the near future after a bid to acquire the Sauber-run Alfa Romeo team last year fell through at the 11th hour. Andretti Autosport currently has involvement in IndyCar, Indy Lights, Formula E and Supercars, and the F1 operation – Andretti Global – would field current IndyCar driver Colton Herta in one of the seats. The process to join the grid requires the FIA to issue a formal call for interest for new registrations, which at this point has not been put out. A meeting including Andretti and Ben Sulayem took place on Friday in Miami that Andretti said had been “positive”. “I think he’s in support, but there’s a big process that’s got to go through and all that stuff,” Andretti explained in the Miami paddock on Friday. “H …