The impeachment proceedings against Brazilian President Dilma Rousseff have put a spotlight on endemic corruption in the ranks of lawmakers. Some 60 percent of the 594 legislators in both chambers of Congress are being investigated for wrongdoing or are facing corruption charges, according to watchdog groups. Many of the investigations are related to a kickback scheme at state oil company Petrobras. The three men in line to replace Rousseff if she is impeached are themselves being investigated in the Petrobras and other cases.
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