Obama and Calderon should just pull the whole border down

The border police today found a sophisticated drug smugglers' tunnel around 550 metres long which linked a warehouse in Tijuana with one in San Diego. Mexican cartels have been boring several tunnels under the US-Mexico border in recent years to beat ramped-up security at ports of entry and the rugged spaces in between. This just goes to show that patrolling the border is just becoming too much work for both countries and I think Mexico should just become part of the United States (hypothetical merging of the two above), and that would mean that any crooks on the run would have to go even further to evade arrest - they would have to go past a smaller, three-nation border into either Guatemala or Belize, and also, Mexicans wouldn't have to sneak past the border for a better life because they would already be in America. These are rather compelling arguments for Barack Obama and Felipe Calderon to admit defeat and tear down the border - even if the Federal Reserve would have to add Spanish-language text to their famous "greenbacks" or the largely Catholic populace of Mexico would be upset at abortion having to become completely legal like it is in the States.