Officials disclose details of plots to bomb New York 's subway system , stock exchange . Score: 6 In a fourth case , secret surveillance `` tipped us off '' to a person who had indirect contacts with a known terrorist group overseas , Joyce said . The NSA chief says intelligence leaks about the surveillance programs harmed security . NEW : Official : `` If you 're looking for the needle in a haystack , you have to have the haystack ''
Officials disclose details of plots to bomb New York 's subway system , stock exchange . Score: 6 The NSA chief says intelligence leaks about the surveillance programs harmed security . NEW : Official : `` If you 're looking for the needle in a haystack , you have to have the haystack ''