The textual January 20, 2015 State of the Union address, delivered by President Obama, can be found here while the digital version is available here on the White House website. Eventually this speech will be officially archived in the Daily Compilation of Presidential Documents at FDsys.
Speech previews, Republican reactions and statuary hall interviews about the address can be found here on C-Span. Political reporters’ and opinion columnists’ opinions, tweets, and blog posts can be found on Reuters here. Coverage by the Washington Post and New York Times can be found here and here. Finally you can fact check the address here on Fact Check.