Just checked the article, (archive link) there's no poll or anything what is value to indicate previous undecideds are leaning Biden. A poll of Latin voters suggests Trump may overperform with them, though with garbled wording they managed to make that sound like Biden is the one outperforming.

The corpse of Joe Biden revealed once more that the coils in his skull aren't fully functional. I'm not certain how the usian public will respond yet, but shitlibs are scrambling to make sense of it. It'd be funny if it weren't so pathetic.