Former President Donald J. Trump has so far largely campaigned on a dark vision of the United States under President Biden. A speech on Saturday will take a different approach.

Trump's acceptance speech, ... outlines grim portrait of America in 92-minute acceptance speech. ... as he painted a dark vision of an America that needed to be restored.

Rossi et al. focused on the dark body outline believed to be carbonized soft tissue for their analysis. This involved photographing the fossil—plus some fossilized plants found in the same area ...