Is there a keyboard shortcut to clear the search box in Lion's Mail? I am running 10.7.2 and would like to be able to clear the search box in Mail with a shortcut. How do I do this?
If the focus is on the search box press "esc" key.
If not, the fastest way I've found is by first pressing Option+Command+F to set the focus on the search box and then press esc to clear it.

This is a link to apple standard shorcuts: Mac OS X Shorcuts