the bloody weekend with three mass shootings leave two dead and dozens injured. what is leading to the rise in violence. severe weather threats, april nor easter brings rain, high winds and possibly ten inches of snow to pennsylvania and new york. tonight s treacherous travel conditions. but the chilly weather didn t stop the return of the white house easter egg roll. new deadly ride report. tonight the results of the investigation about what lead to a 14 year old sliding out of a harness and falling to his death. and running for history, how women changed the boston marathon. this is the cbs evening news with norah o donnell, reporting from the nation s capital. o donnell: good evening to our viewers in the west, and thank you for joining us as we start a new week together. tonight we have breaking news: for the first time in more than a year, the travel mask mandate is not in effect. on and mask mandate was struck down. that means that tsa will not enforce the rule at a