far. helping the peshmerga take that territory. moving in other villages around here as well. turkey, though one of the many different powers here trying to make their claim on this offensive has put a bit of a bombshell out today, saying its jets were involved in the air strikes we've been hearing recently. that's controversial because baghdad and iraqi government has said stay out of this offensive. turkey said we'll get involved because we need to protect some of the sunnis who live -- the sunni sect here of islam in the middle east, that they need to protect them, as they're much of the population in the city of mosul. a lot here happening. we're only in the second day of the offensive. we heard from the iraqi commander today telling cnn it could last as long as two months. the resistance isis is putting up, pretty intense. carol. >> all right, nick paton-walsh reporting live from inside iraq. it is a make or break face-off for both candidates at tomorrow night's debate. what are the keys to victory for both sidings?