For some, this year’s polling faux pas reflects bigger deficiencies in opinion surveys of Latinos, said Matt Barreto, co-founder of Latino Decisions, an opinion-research company focused on Latinos, Hispanics and other minorities. It wasn’t just that polling of Latinos has been inaccurate; it’s that there simply wasn’t much polling at all. Barreto said he started the firm in 2008 amid “immigration marches, with millions taking to the streets. But there was no data on them in any mainstream polling. We couldn’t find anything.” (Also: Bloomberg.)