A New Jersey businessman who pleaded guilty in the bribery case against Sen. Bob Menendez began testifying Friday as the key witness in the month-old trial in Manhattan.

Senator Bob Menendez, a New Jersey Democrat who is on trial on federal bribery charges, has filed to run as an independent candidate for reelection.

Sen Bob Menendez, a Democrat, went on trial in a Manhattan federal court Monday, accused of accepting bribes of gold and cash.