Senator Russ Feingold, one of the harshest critics of the Bush administration's national security policies, says he cannot bring himself to support President Obama's apparent decision not to investigate or prosecute illegalities from those years.

"Part of what troubles me are the lawyers -- we should see their law school degrees -- who consciously wrote these memos justifying and explaining full well those outrageous arguments," the Wisconsin Democrat said on Tuesday in reference to the Bush-era torture memos released last...