Once relatively friendly neighbors, the relationship between Israel and Iran has been going downhill since the Islamic revolution bought Ayatollah Ruhollah Khomeini to leadership in the late 1970s.

Now, after years of shadow war, the conflict between Israel and Iran has finally come out into the open.

We spoke to expert, Prof. David Menashri, about what went wrong over the last decades, and what the Iranian attack on Israel in April means in the future.

One thing is clear, the unparalleled missile and drone attack has created a strategic opportunity never before seen in the Middle East.