Questions surround Mugabe's future as Zimbabwe prepare to swear in new leader

Questions remain over the future of Robert Mugabe, who ruled Zimbabwe for 37 years, and his wife who just days ago was poised to succeed him.
The 93-year-old, who resigned on Tuesday as MPs began impeaching him, has not spoken publicly since his stunning speech on Sunday night defying calls from the military, ruling party and the people to step down.