President Bush is in Jordan for talks with Iraq's Prime Minister Nouri al-Maliki, who's been jolted by new challenges to his leadership and his diplomatic credibility.  Does al-Maliki have the power to control his own country?  Would more American troops make a difference?  We look at the withdrawal of crucial support for al-Maliki's government and the options available for new American policies. Plus, how explosive-sniffing honeybees might help in war and homeland security.