Here is the original article from Maariv.http://www.nrg.co.il/online/1/ART2/090/174.html?hp=0&loc=101&tmp=9022#after_maavaron
It’s in Hebrew unfortunately.
Pajamas Media is now carrying the story.
http://pajamasmedia.com/rogerlsimon/2010/04/08/breaking-obama-administration-denies-visas-to-israeli-nuclear-scientists/
Badly translated by Google, but you can get the gist:
http://translate.google.com/translate?hl=en&sl=iw&u=http://www.nrg.co.il/online/1/ART2/090/174.html&ei=bUe-S6XVA4SmnQf7rIGzCg&sa=X&oi=translate&ct=result&resnum=1&ved=0CBMQ7gEwAA&prev=/search%3Fq%3D%25D7%25A2%25D7%2595%25D7%2591%25D7%2593%25D7%2599%25D7%259D%2B%25D7%2591%25D7%259B%25D7%2595%25D7%25A8%2B%25D7%2591%25D7%2593%25D7%2599%25D7%259E%25D7%2595%25D7%25A0%25D7%2594:%2B%25D7%2590%25D7%25A0%25D7%2595%2B%25D7%259C%25D7%2590%2B%25D7%25A8%25D7%25A6%25D7%2595%25D7%2599%25D7%2599%25D7%259D%2B%25D7%2591%25D7%2590%25D7%25A8%25D7%2594%2522%25D7%2591%26hl%3Den%26rls%3Dcom.microsoft:en-US