Who is Sara Ellis, the Obama-appointed judge who ordered federal agents to avoid violent encounters with Chicago protesters?

The federal judge in Illinois who ordered federal agents to limit aggressive tactics against protesters is known for her stern tone and an extensive career in civil and criminal litigation.

​ The federal judge in Illinois who ordered federal agents to limit aggressive tactics against protesters is known for her stern tone and an extensive career in civil and criminal litigation. Read More Breaking News, Latest News and Videos | CNN