spell of significant seismic activity. meantime in wyoming a 4.8 earthquake shook yellowstone park sunday, the largest in 34 years. >> when it comes to climate change, the worst is yet to come. that's the headlines of a new report that says eye caps are melting and this report concludes climate change is having a sweeping effect on every corner of the planet. >> federal regulators looking into general motors in 2007 and 2010 but declined. that according to a house investigation into the recall of some 2.2 million vehicles. gm reportedly knew of a problem with faulty switches for a decade before issuing the recall. gm ceo is set to testify before