
Have any past presidents declined secret service protection?
Yes....President Nixon declined coverage.
http://wiki.answers.com/Q/Have_any_past_presidents_declined_secret_service_protection
Did any ex presidents declined secret service protection?
Usually 56 per retired president. But due to the incresed threat Pres. Bush has 103 at all the time.
http://wiki.answers.com/Q/Did_any_ex_presidents_declined_secret_service_protection
How long do past presidents families receive secret service protection?
Until they die or refuse it. Also, their spouse is protected.
http://wiki.answers.com/Q/How_long_do_past_presidents_families_receive_secret_service_p...