If they are wording it that way, what they probably mean is that's it's you have to be flexible, meaning available when they want you. What you need is a job that "offers flexible scheduling". You're right, "flexible" can mean two entirely different things.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.