NEW YORK (AFP) – Disgraced Wall Street investment baron Bernard Madoff was placed Friday under 24-hour house arrest in a toughening of his bail conditions. Federal court magistrate Gabriel Gorenstein ordered Madoff, 70, to be "subject to home detention at his Manhattan apartment, 24 hours per day, with electronic monitoring," a court document said. In addition, Madoff, allegedly the mastermind of a 50 billion dollar Wall Street fraud, will be placed under the eye of a private security firm monitoring his apartment door. Madoff's wife has been ordered to pay for the cost of the firm, which will be able...