Suspected assassin of civil rights leader roams free in Israel.
Treasury says Ziv supplied weapons and planned attacks that fueled South Sudan war.
Anti-BDS operative Benjamin Weinthal admits "you have to exaggerate" in order to smear activists as anti-Semites.
Israel's libel laws make journalists vulnerable to censorship.
Netanyahu calls for leniency for soldier filmed executing injured Palestinian.
Reparations paid to Israel after the Second World War helped bolster the occupation.