Cannot find / access libiw.so.7

[Burnie]

Attempted to update wireless-tools from 27-0.pre25.3 to 28-0.pre4.1.fc

Previously had updated NetworkManager using YUM (for first time; thanks 
to Kam Leo for earlier help).

Today up2date says I'm out of date:

Unresolvable chain of dependencies:
NetworkManager  0.3.3-1.cvs20050112.1.fc requires libiw.so.27

But:
$ locate libiw
/usr/lib/libiw.so
/btwo/usr/lib/libiw.so
/btwo/lib/libiw.so.27
/lib/libiw.so.27

What am I doing wrong?