Mortgage Rates - Can Obama Affect Them?

A friend of mine brought up an interesting argument recently and I wanted some clarity.  He said that President Obama, Ben Bernanke and Timothy Geithner are all working to push mortgage rates lower, but it is putting our country in huge amounts of debt.  He said that the Federal Reserve buying Mortgage Backed Securities will only make things worse in the future.  He then contradicted himself buying saying that the Treasury department auctioning off bonds will push yields lower which in turn will push mortgage rates lower.

I will never claim to be any type of economist, but I know many people that read this site are very educated to this type of stuff.  I also know that the Propeller community is very well educated about interest rates and especially the economy.  So I would like to ask, is my friend right?  Is Obama, Bernanke and Geithner creating artificial mortgage rates that will ending up hurting this country?  My opinion is that he is a typical arrogent conservative who wants to blame our current President for all the stuff that his president got us in to.  Please comment and let me know what the truth is…