Jet pulled to the side before collapsing with thud in snowy ravine
                                
                                
                                    (Newser) -
                                    Investigators believe a faulty braking system and landing gear may be to blame for a fiery crash in Denver where a Houston-bound jet veered off a runway into a snowy ravine. The weather apparently played no role in the accident, and asymmetrical braking appears a likely cause, sources told the...