Highlight AFSI on index page

This moves SAPSF into the "Older Posts" section, in a somewhat klugy
way.

src/index.sh

@@ -100,6 +100,26 @@ main()
   </ul>
 </aside>
 
+<section class="highlight">
+  <h1 class="title">Adopting Free Software Ideals</h1>
+
+  <aside>
+    This is a talk about practical ethics and ideals.  It contains some
+    awkward discussions that free software activists like to avoid, and
+    hopes to guide those seeking to adopt more free software ideals, but
+    fear they may not be able to meet such high standards.  It's a talk
+    about evolution and growth.
+  </aside>
+
+  <a href="/talks#afsi" class="lp-watch">Watch LibrePlanet&nbsp;2021 Talk</a>
+  <br clear="both" />
+</section>
+
+<section class="compact sm">
+  <h1 id="older-posts">Older Posts</h1>
+
+  $( abstracts 3 4 )
+
 <section class="highlight">
   <h1 class="title">The Surreptitious Assault on Privacy, Security,
     and Freedom</h1>
@@ -117,10 +137,8 @@ main()
   <br clear="both" />
 </section>
 
-<section class="compact sm">
-  <h1 id="older-posts">Older Posts</h1>
-
-  $( abstracts {3..8} )
+  <div></div>
+  $( abstracts {5..8} )
 
   <a class="view-all" href="/posts">View all posts</a>
 </section>