washington former u.s. intelligence officials work republican democratic presidents urge congress monday renew internet surveillance program say stop militant plot help policymakers steer international crises program authorize section 702 foreign intelligence surveillance act allow u.s. spy agencies eavesdrop store vast amount digital communications foreign suspect live outside unite state expire dec. 31 congress act personally report presidents republican democratic congress detail plot disrupt base information section 702 former intelligence chiefs say letter congressional leaders see reuters strongly urge congress reauthorize program continue allow intelligence community protect country write letter signatories include former directors u.s. national intelligence cia national security agency former attorney general right group include american civil liberties union oppose law current form sometimes incidentally collect communications americans communications subject search without warrant federal bureau investigation criminal national security investigations senate intelligence committee expect privately vote tuesday bill reauthorize section 702 privacy advocate say largely lack reform priorities senator ron wyden democratic member panel send letter monday urge committee leaders allow vote take place publicly say bill enormous impact security liberty constitutional right american people debate open bipartisan group lawmakers house representatives early month introduce legislation intend install new privacy protections 702 surveillance include partial restriction fbi ability access american data would require agents obtain warrant seek evidence crime former spy chiefs letter send republican democratic leaders senate house head senate house intelligence judiciary committees implementation section 702 program write receive positive review independent privacy civil liberties oversight board letter sign former directors national intelligence dennis blair jam clapper mike mcconnell former attorney general michael mukasey former cia director john brennan former nsa chief keith alexander michael hayden lead cia nsa ex-u.s. spy chiefs urge congress renew internet surveillance law