Danielle Gray is the most powerful staffer you may never have heard of. Gray, 35, is President Obama’s cabinet secretary, the liaison between the White House and the cabinet. Far more than a high-level traffic cop, she is a policy expert, a legal troubleshooter, and a practitioner of shuttle diplomacy between White House aides and agency officials who regularly butt heads. … [Read more...] about Monday Open Thread: Obama Administration Profiles (Second Term)