WATCH: World News 02/28/19: Trump And Kim Jong Un Fail To Reach Agreement During Summit

5-year-old mauled by a pitbull at Portland airport; Luke Perry hospitalized due to unknown medical issue ABC News: World News Tonight SPECIAL NEWS BULLETIN: http://www.acrx.org -As millions of Americans strive to deal with the economic downturn,loss of jobs,foreclosures,high cost of…