I don't think the Boy Scouts should hire either openly gay or openly straight people.
By that, I mean people who are in a position of trust in the Boy Scouts have no business expressing their sexuality to the kids whether they are gay or straight. That's not their job. Conversely, if any person hired is only doing their job, it shouldn't matter whether they are gay or straight.
Now...with the issue of protecting the kids from predatory adults, I think the Boy Scouts have a responsibility to ensure the safety of the kids whether it be from predation from gay, straight, male or female people in positions of trust.