Not since the days when Liddy "I never saw an airline merger I didn't like" Dole headed up the U.S. Department of Transportation have there been so many carriers proposing to get together in so many unnatural ways. This time around, the result could conceivably be a U.S. market dominated by only three huge air carriers. One can imagine what would happen to the holy grail of airline competition. AVweb's Ken Cubbin did sit down to imagine what the world could look like if these proposed mergers are approved. Here's his take on what the U.S. Departments of Transportation and Justice should consider before allowing these mergers to go through.