I have an RSS of an events feed. I would like to hide previous events. 

Assuming XML data subset of 

```
<Navigation Name="ItemList" Type="Children">
<Page ID="x32444" URL="..." Title="Class..."
EventStartDate="20090831T23:00:00" EventEndDate="20090904T23:00:00"
  EventStartTime="20090830T15:30:00" EventEndTime="20090830T18:30:00" Changed="20090830T20:28:31" CategoryIds="" Schema="Event"
  Name="Class of 2010 BAKE SALE"/>
 <Page ID="x32443" URL="x32443.xml?Preview=true&Site=&UserAgent=&IncludeAllPages=true&tfrm=4" Title="Class of 2010 BAKE SALE"
  Abstract="Treat yourself with our famous 10-star FRIED ICE CREAM!" EventStartDate="20090831T23:00:00" EventEndDate="20090904T23:00:00"
  EventStartTime="20090830T15:30:00" EventEndTime="20090830T18:30:00" Changed="20090830T20:25:35" CategoryIds="" Schema="Event"
  Name="Class of 2010 BAKE SALE"/>
 <Page ID="x32426" URL="x32426.xml?Preview=true&Site=&UserAgent=&IncludeAllPages=true&tfrm=4" Title="Tribute to ..."
  Abstract="Event to recognize and celebrate the lifetime of leadership and service ..."
  EventStartDate="20091206T00:00:00" EventEndDate="20091206T00:00:00" EventStartTime="20090828T23:00:00" EventEndTime="20090828T04:00:00"
  Changed="20090828T22:09:54" CategoryIds="" Schema="Event" Name="Tribute to ...."/>

</Navigation>

```

How would I not include anything past today's date 

```
<xsl:apply-template select="Page[@EventStartDate=notBeforeToday()]"/>

```