pCAIRO ? Thousands of protesters broke through barbed-wire barriers and clambered over tanks surrounding the presidential palace Friday night after opposition leaders rejected President Mohamed Morsi?s call for a national dialogue to bridge Egypt?s expanding political divide./pa href="http://www.washingtonpost.com/world/middle_east/egypts-opposition-defies-call-for-dialogue-again-marching-on-presidential-palace/2012/12/07/6479986c-4076-11e2-a2d9-822f58ac9fd5_story.html?wprss=rss_world"Read full article #62;#62;/aimg width='1' height='1' src='http://feeds.washingtonpost.com/c/34656/f/636708/s/265f4ded/mf.gif' border='0'/br/br/a href="http://da.feedsportal.com/r/151539130875/u/0/f/636708/c/34656/s/265f4ded/a2.htm"img src="http://da.feedsportal.com/r/151539130875/u/0/f/636708/c/34656/s/265f4ded/a2.img" border="0"//aimg width="1" height="1" src="http://pi.feedsportal.com/r/151539130875/u/0/f/636708/c/34656/s/265f4ded/a2t.img" border="0"/