RIM just announced a $500 million loss, plummeting device sales, layoffs of up to a third of its workforce, and that's its delaying its BlackBerry 10 OS until 2013. How bad is RIM's situation, and can the once-mighty smartphone maker turn itself around?Canada’s Research in Motion used to be the leader of the smartphone pack. Sure, there were a handful of Windows Phone devices, there were flashy Symbian handsets from Nokia aimed at corporate users, and early smartphones from the likes of Palm were showing promise, but for years RIM’s keyboard-packing BlackBerry devices and their addictive blinking LEDs ruled the smart device landscape....