You have limited resources/energy/time. Would you invest them investigating a CLEAR AND PRESENT DANGER or something in the past? Why?

So rather than investigating a person who is destroying the world bit by bit  in the NOW 24/7 you would really go back to the past and revisit it in a library setting or via the internet? I'm pretty sure there is something I'm missing. I mean if a guy is gonna detonate a nuclear bomb in the NOW  isn't he more important than Teddy Roosevelt or FDR or anyone in the yesterday?  Thank you for your reply JakobA and Happy Friday. Now you can set me straight about what you mean. Okey dokey?

I will have to ask you which guy you are talking about.

The Korean leader may have enough authority to do order a strike, but that would make him 'the Idiot who started it', and the entire world would turn against him. He is smart enough to know that, and also to know how damaging it would be for North Korea, economically as well as politically. remember how he has been egging Trump on to make him send the first missile. He has to, if he do it himself he is finished and he knows that.

Trump is a bit of a hothead, so he might try to give such an order; but even as president Trump do not have the power to just order a strike. Both Congress and Military generals have the right to question and veto such a decision before it is actually done.

The phrase "Clear and Present Danger" was part of GWB's argument for justifying reopening the war in Iraq. The particulars of the argument "producing VMD's and collaborating with Al Qaeda" turned out to be based less on facts and intelligence than on wishful thinking.

Thank you for your thoughtful and informative analysis in response to my question. Kim Jong-un has no direct control over my life so it is not him about whom I speak. He also doesn't run his mouth off saying outrageous things except in response to The Donald John who has no idea nor does he care about any consequences he causes. He will always take credit for anything positive though undeserved and always deny responsibility for the negative. He threw "his" generals under the bus vis a vis Niger. He treats them the same as he treats everyone else. Like crap. :(