???initialComments:true! pubdate:11/23/2012 17:48 EST! commentPeriod:14! commentEndDate:12/7/12 5:48 EST! currentDate:11/26/12 7:0 EST! allowComments:true! displayComments:true! Vennard Wright served as Hillary Rodham Clinton’s chief technology expert in her Senate reelection bid and presidential campaign, and his next daunting task will be overhauling the sprawling Prince George’s County’s information-technology network.When he took over as the county’s technology chief earlier this year, he encountered computer systems that were ancient by industry standards — some as old as a decade. He is replacing the county’s stock of 6,000 desktop computers,