Obama’s campaign has spent more than $2 million on Spanish-language television and radio ads since mid-April, according to several sources who track media buys.

That’s on top of the $4 million the pro-Obama super PAC Priorities USA Action and the Service Employees International Union have committed to spending through the summer on Spanish TV and radio ads hitting Romney in Colorado, Nevada and Florida. …

It’s not just about winning a minority group; it’s about a well-located minority group. With large populations in some of the biggest battlegrounds — Hispanics make up more than one-fifth of the population in Colorado, Florida and Nevada — Obama and his support believe the Latino vote can literally be the difference that delivers a second term for the president.