rename and added links to latest slides

index.html

@@ -693,7 +693,7 @@ <h2> Content Schedule </h2>
                 </tr>
                 <tr>
                   <td>April 17</td>
-                  <td><a href="#">Lecture: Crisis/Risk Management</a></td>
+                  <td><a href="#">Introduction to group Project, group startup</a></td>
                   <td></td>
                   <td><a href="#">Recitation: Working on Projects</td>
                   <td></td>
@@ -729,6 +729,25 @@ <h2> Content Schedule </h2>
                   <td></td>
                 </tr>
 
+                 <tr>
+                  <td>May 1</td>
+                  <td><a href="https://github.com/CMU-17-356/cmu-17-356.github.io/tree/master/resources/recitations/Lecture21-Ethics.pptx">Ethics</a></td>
+                  <td></td>
+                  <td><a href="#">Recitation: Projects Progress Report</td>
+                  <td></td>
+                  <td></td>
+                  <td></td>
+                </tr>
+                <tr>
+                  <td>May 3</td>
+                  <td><a href ="https://github.com/CMU-17-356/cmu-17-356.github.io/tree/master/resources/recitations/Lecture22-Ethical-Company-Culture.pptx">Ethical Companies</a></td>
+                  <td></td>
+                  <td></td>
+                  <td></td>
+                  <td></td>
+                  <td></td>
+                </tr>
+
               </tbody>
             </table>
           </div>