Alex Wong/Getty Images; Bill O'Leary/Getty Images
February 11, 2013
During President Obama's first State of the Union address, Supreme Court Justice Samuel Alito was seen mouthing the words "not true" in response to the president's characterization of the Court's "Citizens United" ruling. The moment received widespread coverage, a reminder that unexpected events in modern day State of the Union speeches can go viral instantly. Watch the entire 2010 address here.