Skepticism about Airbus&amp;#8217; A350-1000 continue to spur sales of Boeing&amp;#8217;s 777. &amp;#8220;Just this year, we&rsquo;ve sold more 777-300ERs than Airbus has sold A350-1000s since that airplane was launched in 2006,&amp;#8221; Boeing Commercial Airplanes marketing chief Randy Tinseth wrote on his blog Tuesday. &amp;#8220;Overall, 163 777-300ERs have been ordered since the last A350-1000 was purchased.&amp;#8221; Boeing [...]