Last refreshed at 0700GMT SundayThe World in a Window | March 21, 2010

1 Obama's Budget Has One Small, Missing Piece. $6.3 Trillion Dollars. Tyler Durden: "$2.8 Trillion and $1.9 Trillion of MBS guaranteed portfolios at Fannie and Freddie, and an additional $782 billion and $809 billion in company debt, should be counted toward the budget"

2 Tom Hoenig For Treasury. Simon Johnson: "The White House is floating, ever so gently, the notion that they are open to nominations for the position of Tim Geithner’s Successor"

3 Volcker Rule: Dead on Arrival? Yves Smith: "A proposal to limit bank’s proprietary trading will be either be dropped or significantly modified in the Senate"

4 FT Gets the Obama Budget Right. Brad DeLong: "The administration is loading 3 percentage points' worth of contraction into fiscal 2011"