February 3, 2011 11:06 am SD Explained: Convention Center Expansion San Diego city leaders have big plans for the Convention Center but voiceofsandiego and NBCSanDiego look at funding sources. US & World Videos 1:06 Former Sen. Joseph Lieberman dead at 82 1:23 Majorie Taylor Greene files motion to oust Mike Johnson from House speakership 1:56 GOP responds after Schumer calls for new leadership in Israel 2:57 Nikki Haley suspends presidential campaign: ‘I have no regrets' 0:40 5 things to know about Jason Palmer