If a Prime Minister was deposed, would it be possible for she or he to again be elected to the post if they had enough popular and/or party support? Rather, how would a Prime Minister who was essentially forced to resign get the post back? Could they do it legally?
Thanks for your help.
ETA: This entry is specifically based upon Harriet Jones, who was "deposed" by the Doctor. Under what circumstances could she get back into power?