[Ken522]

... and this extention of the corridor into Mexico will be financed how? Will the USA be required to pay for this?

[nicmarlo]

Will the USA be required to pay for this?

According to Dobbs report on information from Judicial Watch, obtained only through FOIA, it appears so...

VIDEO (3:12 min.): Lou Dobbs | North American Union by 2010

SPP Summit Scheduled in Canada, Summer 2007
U.S. Taxpayers May End up Footing the Bill

Through the Freedom of Information Act, Judicial Watch recently obtained a 10-page document, "a financial work plan that describes how U.S. taxpayers would fund grants to Mexico. The work plan states:

'...the establishment of a grant fund for development with U.S. and Canadian resources to finance the development of physical infrastructure in Mexico.'

Canadian funds would also be committed to the project. Judicial Watch is calling for complete disclosure...."

[RJL]

... and this extension of the corridor into Mexico will be financed how? Will the USA be required to pay for this?

No doubt the US will get to pay for it, but Mexican billionaire Carlos Slim will collect the road tolls for us himself.