Add OPLSS 2021.

content/about.md

@@ -45,6 +45,8 @@ From a more traditional algorithms perspective, I am also interested in applying
 differential privacy to optimization, machine learning, and mechanism design.
 
 ## Teaching ##
+- **Reasoning about Probabilistic Programs (Invited Course, [OPLSS 2021](https://www.cs.uoregon.edu/research/summerschool/summer21/index.php))**: 
+  [[slides](https://justinh.su/files/slides/oplss21.pdf)] [[recordings](https://www.cs.uoregon.edu/research/summerschool/summer21/topics.php)]
 - **Security and Privacy in Data Science (CS 763)**: [F20](teaching/f20/cs763/)
 - **Introduction to the Theory and Design of PL (CS 538)**: [S20](teaching/s20/cs538/)
 - **Security and Privacy in Data Science (CS 763)**: [F19](teaching/f19/cs763/)

content/news.md

@@ -1,3 +1,8 @@
++ **06/2021** I gave four lectures at this year's (virtual) [Oregon PL Summer
+  School](https://www.cs.uoregon.edu/research/summerschool/summer21/index.php).
+  Slides and lecture recordings are [available
+  online](https://www.cs.uoregon.edu/research/summerschool/summer21/topics.php).
+  Thanks to the organizers, and thanks to all the enthusiastic students!
 + **04/2021** I'm happy to serve on the PC of [**MFPS
   XXXVII**](https://easychair.org/cfp/MFPS37), which will take place online
   along with [**CALCO 2021**](https://easychair.org/cfp/CALCO2021). Submit your