"The No. 1 lesson from 1993," said Rahm Emanuel, the White House chief of staff and a former Clinton aide, "was to make sure you could use reconciliation for health care and education." Last April, Mr. Emanuel and Peter R. Orszag, the administration's budget guru, went to Capitol Hill to press Senate Democrats to make sure the budget then being written would provide the ability to approve a health care bill with the simple Senate majority that reconciliation requires. ...Democrats inserted the procedural fail-safe in the budget document, allowing special protection for legislation covering health and education as long as...