I’d say let them have a big upside down U shape, the east and west coasts and across the north.
Just leave the rest of us alone.
I'd note that about 500,000 of your fellow Kansans voted for Barrack Obama. What would you do with them? Or what about the 4.5 million or so Californians who voted GOP in this last election?
A big division between Dem and GOP is between city and country, remember the 2004 election county map? It was red all over the map, outside of cities. There is no way for the country to secede from the cities.