Summary: Headlines for December 31, 2013; Crackdown on Brotherhood, Opposition Grows as Egypt Joins Ranks of Most Dangerous for Journalists; WikiLeaks' Julian Assange Calls on Computer Hackers to Unite Against NSA Surveillance; Jacob Appelbaum: Futuristic-Sounding "Radar Wave Devices" Can Help NSA Monitor Your Computer Usage; Looking Back: A Year of Struggles on Climate, Education & Marriage Equality Inspire Hope for 2014
