A Harvard lecturer who writes a column for Zeteo , the anti-Israel blog of former MSNBC host Mehdi Hasan, is slated to speak at a conference in Qatar next month with a top Hamas official and Iran’s foreign minister, who has denied the regime’s brutal crackdown on pro-democracy protesters. Diana Buttu , who teaches courses on negotiation skills and female leadership at Harvard’s Division of Continuing Education, is slated to appear at the Al Jazeera Forum in Doha on Feb. 9 on a panel about "