The ferment, political analysts here say, reflects deep doubts about the future of the Mexican presidential system.

At stake, in the eyes of many, is the future of the Mexican political system.

For the businessman who worries about his investment, there is only a corrupt and indifferent Mexican system to be wary of.

But now they have to contend with the infamous Mexican system - which is indeed corrupt and indifferent.

"The only thing I've ever seen to compare to this is the Mexican postal system."

That has changed because "the Mexican political system has been altered" in recent years, he said.

In many essential respects, of course, the Mexican and Soviet systems differ substantially.

This system has links to the wider Mexican economic system.

Some have argued that the Mexican political system, with a single party holding power for 65 years, is entering its final stage of decay.

This arbitration court is different from the Mexican judicial system.