IMHO, Obama's speech will be that the terrorist attack at San Bernardino was all Bush's fault and all patriotic Americans will turn in their guns to reduce the threat of gun violence against the terrorists.
I found thils Fox link with some info:
http://www.foxnews.com/politics/2015/12/05/obama-to-address-americans-about-us-terror-threat-following-san-bernardino.html?intcmp=hpbt1
Obama to address US about terror threat following San Bernardino attack
Published December 05, 2015
I found thils Fox link with some info:
http://www.foxnews.com/politics/2015/12/05/obama-to-address-americans-about-us-terror-threat-following-san-bernardino.html?intcmp=hpbt1
Obama to address US about terror threat following San Bernardino attack
Published December 05, 2015