For Republican presidential candidate Marco Rubio, the most-watched Spanish language television network in the United States — and its influence in shaping the broader media storyline — could be a major roadblock on the path to the White House.

Rubio, whose Latin roots are often cited as one of his greatest political assets, announced his presidential bid Tuesday from Miami’s Freedom Tower, a former immigration processing center that serves as a “kind of Statue of Liberty for Cuban-Americans,” according to Morning Edition’s Renée Montagne.