Why do they give so much credit to Google?
I believe Bing Webmaster Tools should be #1 and not Google.
I can see www.bing.com/toolbox/webmaster on #53 for the search string mentioned.
The same search on Google shows:
#1 + #2 Google WMT and finally #3 Bing WMT (www.bing.com/toolbox/webmaster/ )