Why the president gets tied down

Brazil has lived so long in its own world that adapting to outside forces involves a profound internal struggle. Vociferous state governors have strongly opposed reforms pushed by the federal government. They wield considerable influence in states bigger than some European countries. Sometimes it seems the governors' independent acts - refuting debts or rewriting contracts - could sink the whole ship or, at the least, scare off foreign investors. Maybe these men aren't as wild as their rhetoric. To find out, Brian Caplen took a closer look at three key Brazilian states and their leaders, in Rio Grande do Sul, Bahia and Minas Gerais