Today will be mostly sunny blustery and cold with highs around 30. This photo of Lafayette Park was taken by Thomas Michael Corcoran. D.C. Government: Rolling in Dough: D.C. Chief Financial Officer Natwar M. Gandhi announced yesterday that the D.C. government had a surplus of $318 million in 2004 and has amassed $1.2 billion in savings. After withholding most to accommodate for expected increases in healthcare for city employees and other expenses, Gandhi is…