When President Obama named Hillary Rodham Clinton secretary of state after the 2008 election, he turned a rival into a loyalist. But he also lost Mrs. Clinton as one of the most popular Democratic fund-raisers for his re-election effort, since the nation’s chief diplomat is not allowed to engage in campaigning.

www.nytimes.com/2012/07/25/us/politics/many-obama-08-fund-raisers-now-unavailable.html