/etc/modules not loading b43

[Kent West <westk@acu.edu>]

I'm running Debian jessie/sid (3.14-1-686-pae #1 SMP Debian 3.14.2-1 
(2014-04-28) i686 GNU/Linux) on a MacBook (older white model).

It has the Broadcom BCM4321 wireless chipset (arg! non-free!).

When I boot, the b43 module is not auto-loading; I can drop into a 
terminal and "sudo modprobe b43), and my wireless comes up.

So I added the single line:
 b43

to the /etc/modules file, and on reboot, the module does not load: 
"lsmod | grep b43" shows nothing. If I then modprobe it, the lsmod 
command shows 6 or 7 items and the network works.

How can I get the module to load at startup instead of me having to 
manually modprobe it every time?

Thanks!

--
Kent