but i understand if you're unhappen yeechl but don't strike bit. >> dear bart, i could not go to school for two days and it was important to go to school. so appreciate it if you do not go on strike again. >> dear bart, muni takes too long. we have places to go. >> dear wart bart. so glad the strike is over. now i don't have to wake up aat 4:00 in the moshing. >> ray tweeted dear bart, thank you for waking me up at 4:00 a.m. fr a 10:00 a.m. job. michael casey tweeted thank you for ending the strike. catherine tweeted dear bart werk still hate you bart thank you for running again but next time, try to be more adult bit. >> if you have something to say about bart send us video and be sthour use hash tag dear bart. in san francisco, abc 7 news. >> investigators trying to determine what prompted a deadly shooting in a middle school in sparks, mef nef. -- nevada. authorities are trying to understand why the 12-year-old opened fire killing a teacher ask wounding two classmates before turning the gun on himself. police aren't sure where that 9 mm handgun came from but believe it longed to his