With Mexican voters set to go to the polls on July 1, the country's three-party system combined with its winner-take-all presidential elections create a recipe for popular discontent with no end in sight.

This week's primaries in Texas represented the best chance for voters to affect their U.S. House representation prior to the November election. However, voters in most races did not have the chance to cast a meaningful ballot, as ten incumbents didn't face a primary challenger and all but one incumbent won by a landslide.