Will Obama be heckled by attendees seeking workplace protections?
W.H. Spokesperson says he hasn’t spoken to Obama about incident
Says he's talked with Portman, sees committee vote in May or June
Advocates call for Obama to act now, fulfill campaign promise
Democratic leaders, Republicans absent from letter
Letter touts directive as way to protect millions of workers
Speech mentions benefits for gay troops, but no overt call to pass ENDA
Sanders faults nat'l groups for not providing strategy
Advocates renew call for Obama exec order on workplace bias
President should act on exec order barring workplace bias
