houston taco truck houston begin double voter registration sit latinos texas flex political muscle nov. presidential election state long symbolize mexican immigration unite state riff widely ridicule comment marco gutierrez supporter republican presidential nominee donald trump without action immigration reform go taco truck every corner non-partisan civic group mi familia vota drive effort reach first-time voters latinos group growth texas translate political sphere say houston coordinator carlos zamora want build political capital although texas republican stronghold demographics lone star state see shift favor democrats steady increase hispanic voters historically favor party 2012 election latinos nationally vote democratic president barack obama republican mitt romney 71 percent 27 percent accord exit poll pew research center estimate year 39 percent texans hispanic 4.8 million latinos eligible vote state historically voter registration gap 2012 2.6 million latinos register vote texas accord u.s. census bureau 2012 romney beat obama texas 16 point year campaign trump whose hardline approach illegal immigration alarm many hispanics lead democrat hillary clinton state point accord fivethirtyeight.com average poll mi familia vota say many people hop register texas say first days campaign often restock registration brochures truck tacos tierra caliente one eight taco truck participate registration drive houston posters urge customers vote hang next menu meat stuff paint side truck advertise barbacoa lengua pollo metal counter pay customers fill voter registration card require postage mail group plan expand campaign taco truck across country fourth populous city fix spell group name paragraph two eight houston taco truck register voters latinos flex political muscle