um..... you guys do realize that this whole debate is new right?
If the skies were always like this since planes took flight then millions of "conspiracy" theorists around the world wouldnt have all of a sudden said they notice a difference?
Just the fact alone that there are millions of people around the world who notice that SOMETHING is different is reason enough to prove the existence of something other than "water vapor"
There woudnt be ANY theory or debate in the first place if the skies were always like this as nobody would have noticed anything different to even discuss, compare or question
Arguments of the ignorant fool, aka average American. In this world there is millions of people wondering this and that, and hundred of millions wondering how anybody can be so stupid that they could not get it? Fact is that there is millions of people still wondering if there is little people inside of the TV set, why soup can't be eaten with the fork, and why anybody would need computer in his home. They are called stupid's because they had no interest of education, they want to remain stupid in any cost. They are reason for all debate about these silly things, which are complete clear for anybody who have a brains.
Like at this debate, where I have present facts about those vapor trails, and ask foil hat morons prove that I am wrong. They have been able to call me many kind of names, but have we seen any evidence what so ever to prove their theory? Sadly, no, because they doesn't have any. This is the part which prove they are morons, because they have very strong faith towards something, which they haven't any evidence at all, and that is the handbook definition of stupidity. They are just like religious people with their blind faith, which doesn't have anything to do with common sense or intelligence. Blind faith born from ignorance and stupidity, and there isn't any other way to put it.
So me and the majority of the human kind knows that what we see is the vapor trails, and then there is some minority of really dumb morons, who think they know better because they have read what the insane people wrote in the internet. Do you really think that it is enough for real debate? Do we really need to change world to be more suitable for idiots, or do we need to educate these idiots? Only problem is that blind faith is barrier against any education, so these guys remain stupid no matter what you do