Bachelor's degree is the first (undergraduate) degree; Doctorate is the terminal ie. Highest degree. You couldn't even get into a Doctoral training programme without having at the very least a Bachelor's degree first, and quite possibly a Master's on top of that.
So surely the answer is therefore that you should do your Bachelor's first, and after that you can assess the situation; you won't need to make the decision of whether or not to go for a PhD until then. For all we know, you might not even get good enough grades in your Bachelor's to enable you to progress any further! As for whether you *need* a PhD to publish a magazine, this depends on many things, including what sort of magazine you have in mind.
If you want to publish a scholarly journal (peer-reviewed or refereed) you will certainly need to have a high-profile editorial board, although whether you yourself need to be an expert is a moot point. If you want to act as a commissioning editor, then you almost certainly need an advanced degree, PhD or at the very least MPhil or similar. Whereas if you only want a 'hobbyist' or general interest magazine, you can probably get away with a lower-level degree; might not even need one, it could be that you'd be better off with a degree in journalism/media instead.
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.