Lots of news reports today about this. Apparently IABA have been messing about with offering him a contract. Under Billy Ireland have won 7 Olympic medals over the last few games. He now has a good offer to coach USA Womens boxing team. Depending on the timing, this could really disrupt Ireland at Rio next year.
Probably not, squads are made from the coaches at club level. Its the clubs that get them to that level, look to see where their clubs are. Its the club coaches that are the main ingredient in all this.