Zainab MohamedBay Ledger News Zonebill@blnz.comtag:www.blnz.com,2009:people/zainab_mohamedActivist's tears may be game changer in Egypttag:www.blnz.com,2009:2011/02/08/Activists_tears_game_changer_Egypt_8856CAIRO (Reuters) - One man's tears provided a new impetus on Tuesday to protesters in Egypt seeking to keep up momentum in their campaign, now in its third week, to topple President Hosni Mubarak.2011-02-08T17:07:46ZReuters US Online Report World NewsMarwa Awad and Andrew Hammond