A line of dialogue says that the President of Mexico is running for re-election in four months. Mexican Presidents cannot run for re-election: their constitution limits the President to a single six-year term.
The blockade is shown onscreen as having gone on for 6 days. The aide tells the president it costs $2 billion per day. The president says it has cost $10 billion. In fact, 6 days x $2 billion would be $12 billion, not $10 billion.