Reports out of Afghanistan this morning are now saying Ahmed Wali Karzai, half-brother of President Hamid Karzai and one of the most powerful men in the south of the country, was shot dead at point blank range by Sardar Mohammed, who The New York Times  describes as “a regular visitor to Mr. Karzai’s residence in central Kandahar.” Freelance journalist Matthieu Aikens  joins the program again with the latest.