Kameelah Rashad demonstrates Tuesday, outside the US Courthouse in Philadelphia. The 3rd US Circut Court is scheduled to weigh an appeal of N.J. decision that allows New York City police to spy on Muslim communities in the city and elsewhere. Matt Rourke/AP
German President Joachim Gauck, Chairman of the Central Council of Muslims in Germany Aiman Mazyek, German Chancellor Angela Merkel, German Vice Chancellor, Economy and Energy Minister Sigmar Gabriel, members of the German parliament and representatives of religious communities in Germany link arms during a vigil organized by Muslim groups for the victims of last week's shooting by gunmen at the offices of the satirical weekly newspaper Charlie Hebdo, in front of the Brandenburg Gate in Berlin on Tuesday. Fabrizio Bensch/Reuters