That has got to be the world divide. Who came up with those lines?
A major (liberal) population center in each of the three sections. How convenient.
Keep the borders the way they are. Just stand by and wait for the “Big One” to drop LA and SF into the Pacific.
Ok...do that California and we here in Texas will split into 5 states as we are allowed to do. That will be 8 more GOP senators to your 4. We win.