How the CBO gained its reputation

From Alice Rivlin:

The most important decision in CBO’s formative days, Rivlin told the hundreds of staff and alumni at the Capitol Visitor Center, “was not to make recommendations in reports. That allowed me and my successors to defend the CBO for 40 years” against attacks from lawmakers upset with a score on the cost of a bill and a “skeptical press that did its best to trip us up.”

There’s more in GovExec.