Azerbaijan is proposing to sign a document with Armenia on the basic principles of a future peace treaty as an interim measure as they wrangle over a broader deal, a senior Azerbaijani official said on Sunday. Both Armenia and Azerbaijan have repeatedly said they want to sign a peace treaty to end the conflict over the former breakaway Azerbaijani region of Nagorno-Karabakh. Azerbaijani President Ilham Aliyev said on Saturday a text of a treaty was 80%-90% ready but repeated it was...