We've heard Sony explain itself at length regarding the gigantic PlayStation Network breach, but this might be the most useful version of the story yet -- it's the one that Sony's Kaz Hirai is forwarding to US Congress members concerned about your personal information. The official PlayStation.Blog has the full English document up on Flickr for your perusal, and we'll warn you it's much the same tale -- Sony says all 77 million PSN and Qriocity accounts have had information stolen, but the company's still