Webb County Judge Tano Tijerina didn't have to do much to earn President Donald Trump's endorsement. He just had to not be Henry Cuellar. That's the peculiar calculus propelling Tijerina's congressional campaign in Texas's 28th District, where Trump's backing arrived Tuesday as punishment for someone else's insufficient gratitude. The president pardoned Cuellar five weeks ago, eliminating federal bribery charges that threatened prison time. Cuellar responded by staying Democr