Of course the big news of the day is from Vatican City: Pope Benedict to Resign . Our John Allen is in Rome and will be filing reports throughout today. Stay tuned.
Meanwhile, Fr. Tom Reese answers some questions like: Can a pope resign? The answer is yes. Read about pope's who have resigned and Benedict's thought on the subject.
From now until the conclave, expect in mid-March, bookmark this NCR page for the latest news and analysis: Benedict Resigns 
But there's a bunch more news out there:
Los Angeles: Have Gomez and Mahony made up?  and LA's Gomez: Mahony, other bishops 'moving forward' 
The HHS Mandate:
NCR Editorial: On HHS mandate, the bishops' fight is with themselves 
Wednesday is Ash Wednesday: Pray for the LCWR-Bishop dialogue on Ash Wednesday and in Lent 
Cardinal Mahony used cemetery money to pay sex abuse settlement  (Which is ironic because Tim Dolan as archbishop of Milwaukee used a cemetery fund to protect money from abuse claims. 
Belleville, Ill. -- Decision delayed: Should Diocese consolidate its parishes? 
Opinion: What went wrong in the Catholic Church?  by Michael D'Antonio, author of "Mortal Sins: Sex, Crime and the Era of Catholic Scandal" to be published in April.
Pencil Preaching  is blog that Celebration editor Pat Marrin combines scripture and sketching to reflect on the word.
Daily Bread  is a series short reflections, written by four authors who meet regularly to share the readings. Daily Bread is intended to help daily preachers and others who pray from the assigned scriptures each day to orient themselves to the Living Word addressed to the church in the world. It's a great way to begin the day.