Low-key but business-savvy heir to Bechtel mantle was CEO for three decades in a period of extensive global growth and started, at 32, what became a $1B+ philanthropy operation.

Bill signs bill with little fanfare at White House, with larger event scheduled for Friday.

Specialty trade contractors saw the greatest job losses while the industry jobless rate worsened on monthly, year-over-year measures.

Engineers' group gives a C- grade, but key category did worse this time; advocates are hopeful big US investment will happen