Bruce, this is definitely a bug and it looks like the Twitter folks are working on it. Here's the official explanation (found
here):
Quote:
|
Each page contains 20 updates. You will only see an "older" button when the older page contains the full 20 updates. If a page has less than 20 updates, an older button will not be visible and you'll have to wait until you've filled it with 20 updates.
|
So once you get past 40 updates, the second page should show up for you. Hopefully it'll all be sorted out soon.