NEW YORK, March 13 (UPI) -- A convicted Manhattan madam who allegedly was an informant in the Spitzer investigation has been sent home to Brazil, a report says. The New York Post said Andreia Schwartz, who pleaded guilty in January to state drug and prostitution charges, once worked for Emperors Club VIP, the escort service that allegedly supplied Gov. Eliot Spitzer with his $4,300-a-night call girl "Kristen." Schwartz later became a "confidential source" for federal authorities investigating Spitzer, who tendered his resignation effective Monday, The Post's sources said. She was quietly brought, in handcuffs and shackles, to the Brazilian consulate...