WASHINGTON — After a public backlash to government spying, President Barack Obama called for an independent group to review the vast surveillance programs that allow the collections of phone and email records. Now, weeks before the group’s first report is due, some lawmakers, technology organizations and civil liberties groups are concerned that the panel’s members are too close to the Obama administration and its mission too vague to provide a thorough scrubbing of the National Security Agency technologies that have guided intelligence gathering since the Sept. 11, 2001, terrorist attacks. ---------------------------------------------------------------------------------------snip---------------------------- The members of the review group are Richard Clarke,...