yum/python issues...

I've been using yum for some time now without any issues. Recently, it gives me the following message when trying to run any yum commands.

bash: /usr/bin/yum: /usr/bin/python2.2: bad interpreter: No such file or directory

So, I assumed maybe my version of python was out of date? I downloaded both versions 2.3 and 2.2 as soucre, compiled and installed. Neither solved the problem. I've also looked, and the file /usr/bin/python2.2 is there! Does anyone know what its complaining about? I'm pretty sure that I must be doing something wrong as I've tried to use up2date as well and it gives the following.

Traceback (most recent call last):
 File "/usr/sbin/up2date", line 29, in ?
   from up2date_client import up2date
 File "up2date.py", line 36, in ?
 File "depSolver.py", line 4, in ?
 File "packageList.py", line 17, in ?
 File "up2dateComps.py", line 7, in ?
 File "/usr/lib/python2.3/site-packages/rhpl/comps.py", line 5, in ?
   import libxml2
ImportError: No module named libxml2

Any ideas?

Thanks ahead of time,
Scott

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