US sold Israel defective bunker busters?

The next time President Obama brags about what great support he has given Israel, you can ask him about this story. There is a fear in Israel that the GBU-28 bunker busters that we purchased from the United States have defective fuses. Israel ordered its first batch of the GBU-28 in 2005 and reportedly received them a year later. In 2007 it asked the Pentagon for another batch of bombs but the