ROUGH CUT (NO REPORTER NARRATION)<br/> <br />President Barack Obama nominates former Pentagon attorney Jeh Johnson, a national security expert who had a role in ending the military's ban on gays in the military, to be Homeland Security chief during a ceremony at the White House.<br/> <br />"From the moment I took office, Jeh was an absolute critical member of my national security team. And he demonstrated again and again the qualities that will make him a strong secretary of Homeland Security," Obama said during the ceremony.<br/> <br />Johnson, who served as general counsel in the Department of Defense during Obama's first term, succeeds Janet Napolitano, who stepped down earlier this year. His nomination requires Senate confirmation.<br/> <br />Johnson is now a partner at Paul, Weiss, Rifkind, Wharton & Garrison, LLP.<br/> <br />Johnson was involved in the Obama administration's policy over the legality of drone use.<br/> <br />He helped lead a review and authored a report that led to the 2010 repeal of the "Don'
