Republicans know they’re demographically screwed.
In 2018, the most common age for white Americans was 58. For other demographics, “the most common age was 11 for Hispanics, 27 for blacks and 29 for Asians.” Source: Pew Research Center
The Democratic nominees need to be candidates who can deal with the scorched-earth campaigns of all Republicans. The GOP has been increasingly awful for over half a century, but I fear, we ain’t seen nothin’ yet.