Речь всего лишь о том, что Ромни против ограничений на калибр охотничьего оружия:

“We had an effort in Massachusetts on the part of some to ban 50 caliber rifles. I opposed that, indicated I would oppose that ban. You know, I think we have to be very careful in any way restricting Second Amendment rights.” (Mitt Romney)

Чему и рад создатель плаката.