CLEAN : Cyprus talks stumble over fate of Turkish troops

The transcript discusses the security concerns of the Turkish Cypriots, who feel the need for guarantees from Turkey. It highlights the negotiation challenges when one side demands zero soldiers and guarantees, while the other side considers these untouchable. The discussion aims to find mutually acceptable solutions to these issues.

What issues have been discussed since yesterday according to the speaker?

What does the speaker mean by 'mutually acceptable solution'?