
Specialist John O’Hara (right) works at his post on the floor of the New York Stock Exchange on Tuesday. Stocks began falling sharply at the opening of trading on Wall Street after 3M and DuPont slashed their earnings forecasts. The Dow closed down 243.36. (Associated Press)

Specialist John O’Hara (right) works at his post on the floor of the New York Stock Exchange on Tuesday. Stocks began falling sharply at the opening of trading on Wall Street after 3M and DuPont slashed their earnings forecasts. The Dow closed down 243.36. (Associated Press)

Marc Bacani and Julia D’Ambrosi use a new escalator at the re-opened south entrance of the Dupont Circle Metro station Sunday. The stop was closed for 8 1/2 months as three new escalators were installed. “These were among the most unreliable escalators in the system,” said Metro General Manager and CEO Richard Sarles. (Andrew Harnik/The Washington Times)

Marc Bacani and Julia D’Ambrosi use a new escalator at the re-opened south entrance of the Dupont Circle Metro station Sunday. The stop was closed for 8 1/2 months as three new escalators were installed. “These were among the most unreliable escalators in the system,” said Metro General Manager and CEO Richard Sarles. (Andrew Harnik/The Washington Times)

A tree toppled by severe storms sits atop a car in Washington's Dupont Circle neighborhood on Saturday, June 30, 2012, in Washington. More than two million people across the eastern U.S. lost power after violent storms and two people died, including a 90-year-old woman asleep in bed when a tree slammed into her home, a police spokeswoman said Saturday. (AP Photo/Jessica Gresko)

Phillip Fobbs, 16, of Bowie, Md., a senior dance company member with Dance Dimensions in Forestville, Md., performs on stage at Dupont Circle on Sunday as part of Dance in the Circle, a dance festival. The event was organized by Circle Productions, who also organized a snowball fight in the circle and Soccer in the Circle, both in 2010. (Barbara L. Salisbury/The Washington Times)

Tiffany Jacobsen (second from left) of Washington, D.C., and emcee Russell Campbell from Urban Artistry dance together in a dance line at Dance in the Circle, a dance festival that took place in Dupont Circle on Sunday. Nine official dance organizations performed on the stage in front of the fountain. In between performances, the audience — and the emcee — joined in. (Barbara L. Salisbury/The Washington Times)

Phillip Fobbs, 16, of Bowie, Md., a senior dance company member with Dance Dimensions in Forestville, Md., performs on stage at Dupont Circle on Sunday as part of Dance in the Circle, a dance festival. The event was organized by Circle Productions, who also organized a snowball fight in the circle and Soccer in the Circle, both in 2010. (Barbara L. Salisbury/The Washington Times)

Chase Taber, left, 6, of Bowie, Md. tries to help "Chi Chi" the bulldog cool off in the fountain at Dupont Circle on Sunday, May 13, 2012. (Barbara L. Salisbury/The Washington Times)