The Democratic Party's worse nightmare happened when Donald Trump reached out to black Americans
It's the Democrat Party's worst not worse nightmare.
Worse is used to compare two alternatives. A is worse than B. Worst is the least desirable of all alternatives. C is the worst.
Why can't a publication like American Thinker not get this right?!
Sorry, had to go there too.
“Why can’t a publication like American Thinker not get this right?!”
___________
Those darn double negatives are tricky, too. ;)