From columnist E.J. Dionne:

WASHINGTON -- Reaching agreement on a health care bill is harder in theory than it will be in practice.

Between now and the day the measure goes to President Obama's desk, there will be many crisis points, much posturing and dire warnings of impending failure. There are real differences between the bills passed by the House and the Senate. The last few votes are always the most difficult to get.

But more than negotiators can afford to acknowledge openly, there is broad agreement on the kinds of concessions the Senate can make to the House and still preserve the 60 votes needed for passage. Indeed, some of those concessions will be eagerly sought by progressive Democratic Senators.

Read on to find out what those concessions will be.