Marco Rubio speaks fluent Spanish. But Marco Rubio cannot pronounce "Chipotle."
Just witness this Vine, taken from footage of a campaign appearance in New Hampshire last month (just brought to Vox's attention via Pascal-Emmanuel Gobry on Twitter). Rubio makes a Hillary Clinton joke that ends with the word, as he says it, "Chi-pole-tay":
Of course, he is not the inventor of this longtime trope.