' : Leaks go ` ` to the heart of our efforts to combat terrorism , '' W.H . spokesman said . NEW : ` If we had this program , that opportunity would have been there '' to match the Yemen phone number to the San Diego number , he said . Obama believes the programs address security , privacy issues . FBI analysis of the programs possibly could have detected a 9/11 hijacker . Democratic Rep. Conyers and others challenge the covert programs .
' : Leaks go ` ` to the heart of our efforts to combat terrorism , '' W.H . spokesman said . NEW : Obama believes the programs address security , privacy issues . FBI analysis of the programs possibly could have detected a 9/11 hijacker . Democratic Rep. Conyers and others challenge the covert programs .