Mapping an Enduring Majority

Below are electoral maps constructed by NDN that show how an enduring majority of electoral votes can be achieved by flipping the Southwestern states of NV, CO, AZ, and NM. (That's without states like FL and OH, let alone IA and NH.)

(Click the maps below for a larger image.)

Starting off with the Core Democrat/Republican States over the past 4 cycles:

This shows just the Core Democratic States over the past 4 cycles:

Here are the Core Democratic States with the South West added:

Then if we add states with large Hispanic populations on top of all that:

We have an Enduring Democratic Majority:

If you add other possible states like IA and NH, you would have 335 votes: