One of the more interesting questions bound to come up during the 2012 elections is whether President Barack Obama can reclaim the liberal American Jewish donor base that helped him so much in 2008. ... Among noted Chicagoans who contribute to Obama's success is senior advisor Valerie Jarrett. Of the people managing President Obama's political affairs, Jarrett is perhaps the person Obama has known longest and relied upon the most. Political folklore has it that the president met wife Michelle when he went to Jarrett's office looking for a job. Before Valerie Jarrett came to work for Obama, she was...