Mexico's July 1 vote pivotal for Texas, too Houston Chronicle Copyright 2012 Houston Chronicle. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 12:53 a.m., Monday, June 18, 2012 With two-thirds of the 2,000-mile border and nearly $12 billion a month in bilateral trade and deep social bonds, Texas' future has been hitched to Mexico's.