<p>President Obama's aides went to extraordinary lengths to uncover the identity of a senior official who was using Twitter to make snarky comments about White House staffers.</p>
<p>Jarrett, an old Chicago friend of both Barack and Michelle Obama, appears to exercise such extraordinary influence she is sometimes quietly referred to as “Rasputin” on Capitol Hill, a reference to the mystical monk who held sway over Russia’s Czar Nicholas as he increasingly lost touch with reality during World War I.</p>
