A second senior airline industry source has revealed his belief that there is some sort of conspiracy behind the disappearance of Malaysia Airlines flight MH370. As The Herald Sun reports, Emirates president and CEO Sir Tim Clark made world headlines in October when he revealed his doubts about the fate of the missing plane, which disappeared early in the morning of March 8 this year. Now a second senior airline industry source has voiced his doubts about the fate of the plane, with the even wilder claim that the Boeing 777 may have been shot down by US military personnel...