This dog barked up the right tree. The pooch is being praised as a hero for alerting its sleepy owner to an apartment fire that tore through two upstate apartment buildings, according to a report. Angela Murray, of Baldwinsville, NY, was in bed with her glasses off when she heard her pit-bull mix Rocco barking loudly in the living room. Young cashiers at NY grocery store allegedly reject man’s $2 bills, believing they were counterfeit “Barking worse than usual,” Murray told Syracuse.com , adding, “Then I could faintly hear the alarm going off.” “I went to the living room…..