CMCS tutorial.

content/news.md

@@ -1,3 +1,6 @@
++ **10/2020** I was happy to present a tutorial on probabilistic couplings at
+  [**CMCS 2020**](https://www.coalg.org/cmcs20/). Slides are available
+  [here](https://justinh.su/files/slides/cmcs20-tutorial.pdf).
 + **10/2020** **A Pre-Expectation Calculus for Probabilistic Sensitivity** to
   appear at **POPL 2021**!
 + **09/2020** This fall, I'm teaching a graduate seminar on **Security and
@@ -10,8 +13,9 @@
   [here](https://justinh.su/files/slides/owls-yr.pdf).
 + **04/2020** I received an **NSF CAREER** award for **Cara: Compositional Analysis
   for Randomized Algorithms**!
-+ **01/2020** I was happy to present a tutorial on probabilistic couplings at
-  **POPL 2020**. Slides are available
++ **01/2020** I was happy to present a [tutorial on probabilistic
+  couplings](https://popl20.sigplan.org/details/POPL-2020-tutorialfest/6/-T6-Verifying-Probabilistic-Properties-with-Couplings)
+  at **POPL 2020**. Slides are available
   [here](https://justinh.su/files/slides/popl20-tutorial.pdf).
 + **01/2020** This spring, I'm teaching an undergraduate course **Introduction
   to the Theory and Design of Programming Languages (CS 538)**, covering Haskell