Plot: Headlines for January 29, 2016; Trump Absent, GOP Presidential Candidates Face Off on Syria, Planned Parenthood and Islamophobia; Former Salt Lake City Mayor Sues Bush Admin. Officials for Mass Surveillance During 2002 Olympics; "Audrie & Daisy": Mother of Audrie Pott, Teen Who Committed Suicide After Assault, Tells Her Story; Maryville Rape Survivor Daisy Coleman Meets Mom of Teen Who Killed Herself After Similar Ordeal