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 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