Bob's blog: Michael Bloomberg remembers 9/11; Timothy Geithner on the Great Recession

(CBS News) -- We have a lot talk about this Sunday on Face the Nation. On Thursday, we learned that federal prosecutors and officials at the Veterans Affairs are investigating whether that organization manipulated waiting lists to cover up lengthy health care delays for sick veterans. V.A. head Eric Shinseki told the Senate committee examining the claims that he was "mad as hell." But this investigation seems to be moving at a glacier-like pace. It has been over a week now since we first began to hear the reports. Assessing blame is important, but what is the Obama administration doing at these hospitals to get these problems corrected? Right now, we don't know what's being done - if anything at all - and to me, that's very troubling.

Face the Nation will keep all eyes on the V.A. investigation as this story develops. White House Chief of Staff Denis McDonough will speak with CBS News' Major Garrett to fill us in on what the Obama administration is doing to address these concerning reports. Dan Dellinger, who heads up the country's most prominent Veteran's organization, The American Legion, called last week in a press conference for Shinseki's resignation. We'll speak with him about the fallout of the Congressional inquiry and how it affects America's veterans.

We'll also speak to a varied group of key newsmakers, including former New York City mayor Michael Bloomberg, who will join us to discuss the opening of the September 11 Memorial & Museum. We'll ask him what he remembers about that tragic day and what he hopes visitors will take away from a site he says will join the ranks of Gettysburg and the Vietnam Memorial.

Former Treasury Secretary Tim Geithner will also be with us on the broadcast to promote his new book, "Stress Test: Reflections on Financial Crises." Geithner was at the center of the storm during the stock market meltdown of 2008, and his new account recalls the overwhelming decisions he faced as the calamity unfolded, as well as the personal toll it took on him and his family.

I spoke with Gov. Chris Christie, R-NJ., Wednesday at the Peter G. Peterson Foundation's 2014 Fiscal Summit. We'll bring you the best segments of that interview with the governor, who continues to remain a star of the Republican Party and possible presidential contender. Pundits in Washington have been playing the will-he-or-won't-he run for president game for quite a while now."

Of course, no Sunday would be complete without an all-star political panel, and this week, we don't disappoint. Joining us are Jackie Calmes of The New York Times, Jerry Seib of The Wall Street Journal, Katrina vanden Heuvel of The Nation, and CBS News Political Director John Dickerson.

There's much to discuss, and we hope you'll join us.