▁concern ▁because ▁" n ob ody ▁is ▁listening ▁to ▁your ▁tele phone ▁calls ", ▁and ▁" there ▁is ▁no ▁sp ying ▁on ▁Americans ". ▁ ▁Al leg ations ▁of ▁false ▁testim ony ▁ ▁On ▁June ▁ 2 1 , ▁ 2 0 1 3 , ▁the ▁Director ▁of ▁National ▁Int elligence ▁James ▁R . ▁Cla pper ▁issued ▁an ▁ap ology ▁for ▁giving ▁err one ous ▁testim ony ▁under ▁o ath ▁to ▁the ▁United ▁States ▁Congress . ▁Ear lier ▁in ▁March ▁that ▁year , ▁Cla pper ▁was ▁asked ▁by ▁Senator ▁Ron ▁Wy den ▁to ▁clarify ▁the ▁alleg ed ▁surve ill ance ▁of ▁U . S . ▁citizens ▁by ▁the ▁NS A : ▁ ▁In ▁an ▁interview ▁shortly ▁after ▁Snow den ' s ▁dis clos ures ▁were ▁first ▁published , ▁Cla pper ▁stated ▁that ▁he ▁had ▁misunder stood ▁Wy den ' s ▁question ▁and ▁answered ▁in ▁what ▁he ▁thought ▁was ▁the ▁" le ast ▁un tr uth ful ▁manner ". ▁Later , ▁in ▁his ▁letter ▁of ▁ap ology , ▁Cla pper ▁wrote ▁that ▁he ▁had ▁only ▁focused ▁on ▁Section ▁ 7 0 2 ▁of ▁the ▁Foreign ▁Int elligence ▁Sur ve ill ance ▁Act ▁during ▁his ▁testim ony ▁to ▁Congress , ▁and ▁therefore , ▁he ▁" simp ly ▁didn ' t ▁think " ▁about ▁Section ▁ 2 1 5 ▁of ▁the ▁Patri ot ▁Act , ▁which ▁just ifies ▁the ▁mass ▁collection ▁of ▁tele phone ▁data ▁from ▁U . S . ▁citizens . ▁Cla pper ▁said : ▁" My ▁response ▁was ▁clearly ▁err one ous — for