Ian Pannell has the latest on the Iran war as Pres. Trump says the operation in Iran will be ending “soon” after initially saying America should prepare for weeks of war; while analysts warn the national average for a gallon of gas could hit $4 by the end of the week, Rebecca Jarvis reports on the economy; Faith Abubey has details on the five teens facing charges after a beloved Georgia teacher was killed during a high school prank gone wrong; and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 3:01 Trump says war could be over "soon" as conflict spreads across the Mideast 6:58 Iran war drives volatile oil and gas prices 9:24 Alarming video shows "ISIS-inspired" plot outside New York City’s Gracie Mansion 11:09 TSA staff shortages amid spring break cause travel chaos at airports across the U.S. 12:33 Tracking the severe weather putting 75 million on alert from Texas to the Great Lakes 13:31 Beloved Georgia teacher dies in high school prank gone wrong 1...