this morning on "world news this morning on "world news now," day one. the trial beginning today for boston bombing suspect dzhokhar tsarnaev. as we learn more about his brother's widow and what she may have to say when she takes the stand. new developments in the deadly lapd shooting. confusion about the man killed by officers allegedly using a stolen identity and wanted by police before the tragic incident. anger continues to grow over his death. over the edge, as boston is set to break their snowfall record today. much of the rest of the country faces treacherous conditions on the roads. millions asking when will it end? accu-weather has the forecast. it could be one of the most expensive bed and bath experiences in the country.