http://www.haaretz.com/news/diplomacy-defense/1.638418

Bloomberg Report here:
http://www.bloombergview.com/articles/2015-01-22/netanyahu-mossad-split-divides-u-s-congress-on-iran-sanctions

Report: Mossad broke rank with Netanyahu, warned U.S. against Iran sanctions

Israeli intelligence agency told Obama administrations and U.S. senators that Iran sanctions would collapse nuclear talks, Bloomberg reports. http://www.haaretz.com/news/diplomacy-defense/1.638418