Demonstrators protest against corruption in front of Planalto Palace in Brazil on March 16.
Is Brazil's President running out of options?
01:09 - Source: CNN

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NEW: Brazil's sports minister resigns from his post

The country's largest political party leaves President Dilma Rousseff's coalition government

Rousseff might not have enough votes to stave off impeachment

Rio de Janeiro, Brazil CNN  — 

Brazil’s political crisis has spiraled closer to a tipping point, with the government appearing at risk of implosion months before the Rio Summer Olympics begin.