Dennis Muilenburg will appear before Congress on anniversary of first of two crashesThe Boeing chief executive, Dennis Muilenburg, will admit on Tuesday that the aircraft manufacturer made mistakes, and pledge that accidents like the two 737 Max crashes that killed 346 people will not happen again.He will appear at a congressional hearing on the anniversary of the crash of Lion Air flight 610 in Indonesia that killed 189 people. In March, after an Ethiopian Airlines 737 Max crashed, killing 157 people, the plane was grounded worldwide. Continue reading...