CEO Kelly Ortberg is getting the aerospace company back on the right path.Boeing (BA 0.31%) is back. After an extended period of disappointing performance, CEO Kelly Ortberg has put the company back on track after taking the reins as CEO in August of last year.The operational improvements are tangible and particularly important for the investment case. Boeing's huge backlog attests to its potential, which stood at $619 billion at the end of the second quarter.Still, is it all enough to make the stock a buy? ...