Heat Dome Threatens America's 250th Birthday As Power Grid Crisis Continues

Heat Dome Threatens America's 250th Birthday As Power Grid Crisis Continues A massive heat dome continues to threaten the eastern half of the US, with the Mid-Atlantic and Northeast at the epicenter of the sweltering conditions. The summer heat is already disrupting July 4 celebrations and World Cup matches, while pushing the nation's largest power grid toward crisis mode later this afternoon for the third consecutive day. The annual Independence Day Parade in Washington, DC, set for later today was canceled "due to extreme heat," organizers said in an overnight memo.  Cooling demand will...