I'm impressed by everything about The xx: the singing, the lyrics, the way the two principals shift roles without ever seeming hostile, cold or even unsupportive.

NPR: The xx: Switching Roles In Song

"The truth is that stress goes up because women add all their new roles to their old roles without crossing anything off their list, " said Dr. Witkin.

CNN: Holidays bring on emotional hazards

The European Parliament should have taken a lead, he lamented, since a quarter of its budget could be cut without affecting the core roles.

BBC: 2012 budget debate

Without understanding the Nazi, Fascist, and Vichy efforts to extend their Holocaust-era persecution of Jews to Arab lands, without understanding how the half-million Jews of Europe's Arab possessions fared under this threat, and without understanding the many different roles that Arab populations of these lands played during this experience, there could be no real meaning to specific stories of Arabs who saved Jews if they existed, at all.

NPR: Historian Robert Satloff

Without enough Gen Xers to fill the roles of retiring boomers, the odds that ambitious millennials will one day reach the C-suite double.

FORBES: 10 Steps To The Corner Office

In the end, we seem to want evidence that a leader can do without a co-pilot before we are willing to groom him or her for more collaborative roles.

FORBES: Why Command-and-Control Leadership Is Here to Stay

"Defendants effectively operated in a tag-team fashion--rotating in the roles of prime broker, clearing agent or counterparty that enabled the short sale transaction to go forward without the expectation of delivery, " the complaint says.

FORBES: Naked Shorts