NEW : Obama will not accept harmful leaks , he says . Democratic leaders may feel the need to be tough on law enforcement , CNN analyst says . Congressional oversight may be one reason for increased prosecutions , an analyst says . `` I think Democratic administrations feel especially obligated to prove that they can be as tough as Republicans on law enforcement . Technology also makes it easier to find the source of information , he says .
NEW : Obama will not accept harmful leaks , he says . Democratic leaders may feel the need to be tough on law enforcement , CNN analyst says . Congressional oversight may be one reason for increased prosecutions , an analyst says . Technology also makes it easier to find the source of information , he says .