U.S. and Canadian customers will buy 7,530 new commercial airplanes over the next 20 years, growing their total from 6,610 airplanes today to about 9,330 airplanes by 2030, Boeing forecast Tuesday. Those airplanes are worth $760 billion at list prices, although customers get substantial discounts. &amp;#8220;The region&amp;#8217;s airline industry is poised for long-term, moderate growth,&amp;#8221; [...]