sorry to break it to you, but the answer was too succumb to a full blow 60s style coup which remove the president who autored the Reuters article above.

she was ousted by the senate, the right wing vice who was there for "governability" signed rights to new oil reserves to texaco on his first week in power and then brazil got an election that was free for all (main candidate jailed on bogus claims, candidate working with steve banon leading, etc)