wpa_supplicant questions

[John Levine]

>'service netif restart' seems inadequate and I have been having to
>reboot--an elaborate process because the notebook is UEFI and won't
>boot legacy-style off the hard disk.

Try

 service wpa_supplicant restart wlan0

>Also, how does one escape an apostrophe in an SSID, as in "Nature's
>Express" (the SSID at a vegan restaurant in North Berkeley), in the
>wpa supplicant configuration?

Hmmn.  Do double quotes work?

  ssid="Nature's Express"

R's,
John