Morning Newscast: June 10, 2008

Here are the top stories at 7:30 a.m.: A heat wave has sharply reduced a surplus of electricity in New England as people use more energy to cool down;  Two environmental organizations want the state of Vermont to increase the money it spends on energy efficiency programs by $20 million;  State regulators plan to investigate why Internet service was interrupted across Vermont for the second time in a month…