>>t' being called a preventable epidemic inth's tin day. 15-year-old davon hahn died in july after being shotdistrict. >> losing your best friend is something that's really hard. and i hope no one else would have to go through that. >> reporter: on capitol hill congress is on a break. once it resumes, speaker pelosi hopes the issue of background checks will be resurrected. >> background checks saves hundreds of thousands of lives. it really is the most effective way to save lives. >> howard smith is a youth mentor. he's glad this conversation is happening. >> awareness is helping stir the conversation to create more policies and direct his conversations. >> reporter: speaker pelosi will continue talking about guns this morning. she's holding a town hall meeting in colorado. in san francisco, lisa amin gulezian, abc 7 news. tilt mleiu tower.ment in the sc the chronicle says a panel of experts has signed off to drill 52 steel piles into bedrock to shore up the foundation. the retrofit will cost $100 million. it's leaning 17 inches to the fleft. residents blame the developer for not driving

being called a preventable epidemic in america, one that's taking lives every day. 15-year-old davon hahn died after being shot in a drive by in san francisco's mission district. >> losing your friend is something that's really hard and pe nobody else would have to ever go through that. >> reporter: on capitol hill, congress is on a break, but once it resumes, speaker pelosi hopes the issue of background checks will be resurrected. >> background checks saves hundreds of thousands of lives. it really is the most effective way to save lives. >> reporter: howard smith is a youth mentor. he's glad this conversation is happening. >> the awareness is helping stir the conversation to create more policies and direct, you know, these conversations in a right way. >> reporter: and speaker pelosi will continue talking about guns tomorrow. she's holding another town hall meeting. this time in colorado. live in san francisco, lisa amin gulezian, abc7 news. >> lisa, thanks very much. an airport shuttle bus was carjacked from the international terminal at s.f.o. today. here's that story and other headli