>> this is "bloomberg surveillance," with tom keene, jonathan ferro, and lisa abramowicz. tom: good morning, everyone. jonathan ferro, lisa abramowicz, and tom keene on this september 11. we welcome you all of you worldwide on bloomberg radio and bloomberg television. we've been doing this for 19 years. each year is different. vice president pence will travel here to the memorial site, maybe with vice president biden in attendance as well come on his way to pennsylvania. it is a most different september 11. jonathan: 8:46 eastern is the first moment of silence as we observe united airlines flight 11 striking the north tower 19 years ago. tom: there are all sorts of remembrances, but no one on this team but lisa abramowicz understands this.