Obama adds solar panels to White House, pressing his support for green energy
Technicians have finished installing solar panels on the White House roof, capping a project that President Obama hopes will send a signal that renewable energy is feasible and environmentally shrewd.
Obama said in 2010 that he would retrofit his family's new home with solar panels starting in 2011, then use the power generated to heat water for the first family and provide some electricity.
But the project remained dark until late 2013, when the installation finally started.
Citing security and other concerns, the White House won't say how many panels...