Palestinian American congresswoman Rashida Tlaib held up a sign that read ‘war criminal’ during Israeli prime minister Benjamin Netanyahu’s speech at a joint session of the US Congress on Wednesday. The one-person protest in the chamber took place as thousands of others gathered outside the building to demonstrate against Netanyahu’s presence. However, Netanyahu also received dozens of standing ovations from pro-Israeli Republican and Democratic Congresspeople. The other side of Tlaib’s sign read: “guilty of genocide” and she also donned a keffiyeh, which has over time come to symbolise Palest…