Human Rights Watch head claims Israel interfering in UK politics
LA-based Israel advocacy group StandWithUS calls Sarah Whitson's claims antisemitic conspiracy theory
Human Rights Watch (HRW) Middle East director Sarah Leah Whitson, talks during a news conference in Doha June 12, 2012.(photo credit: STRINGER/ REUTERS)ByHERB KEINON, JERUSALEM POST STAFFUpdated: