Contrary to what Mr Cameron suggests, there is no telling what those involved involved in this affair might divulge under relentless cross examination.
"Given my administration's relentless pursuit of al Qaeda's leadership, there is no justification beyond politics for Congress to prevent us from closing a facility that should never have been opened, " the president said.
Hardaway brought his team back with a relentless streak of 3-point shooting, and his blocked shot gave No. 3 Michigan an exhilarating 76-74 victory over No. 10 Ohio State on Tuesday night.
By 1916 and 1917 the relentless slaughter of a war of attrition had so deepened enmity on both sides that friendly meetings in no-man's-land were all but unthinkable, even at Christmas.
European companies were no slouches at scrounging before the financial crisis, but since its onset the clattering of their begging bowls has become relentless.