Have helped prevent this or stop it while it was in progress? couple of things. compared with european carry years u.s. airlines do not conduct stricter psychological screening of pilots. pilots have to get a physical once or twice a year if they are over 40. at that evaluation there is no formal psych evaluation. lufthansa, the parent company of the airline that went down in france has similar standards. air maurnls -- not a solid difference. in the u.s. there are a few thousand air maishls marshals. some european countries have that, too. again, lufthansa is one of the companies that has bee...