Index: wp-admin/css/dashboard.dev.css
===================================================================
--- wp-admin/css/dashboard.dev.css	(revision 18459)
+++ wp-admin/css/dashboard.dev.css	(working copy)
@@ -213,6 +213,7 @@
 
 #dashboard_recent_comments .subsubsub {
 	float: none;
+	white-space: normal;
 }
 
 #the-comment-list {