We shouldn't get ahead of ourselves here. Let's wait and see what actually comes to light. The anti-Trump faction is getting rather hysterical and desperate to find fault in Trump's administration. As much as I'd like him to fail, nay, expect him to fail... I'm not so sure it'll come as easy as this. This sounds too good to be true, so I doubt it is actually true.
As for the severity of the alleged whatever-it-is... the US is a stable democracy with measures put into place for pretty much any thinkable and some even unthinkable scenarios, including, as we learn from television, the death of the entire elected body of Government. God, don't you love Designated Survivor?