studio? i like it like this. is it you doing this? i don t even know. i m a kind of go along to get along dude. i like being with you, so if that s the cost of sharing a studio. we can raise it up, whatever you want. just feet away from each other. i ll just wear a sweater. thank you. have a good evening, chris. thank you for joining us tonight. i m ali velshi in for alex wagner. we re going to warm up in the next few minutes. president biden hasxt released s first campaign ad of 2024. and in that ad president biden makes clear what he believes will be the central issue of thisce election. i ve made the preservation of american democracy the central issue of my presidency. i believe in free and fair elections and the right to vote fairly and have your vote counted. there s something dangerous happening in america. there s an extremist movement who does not share the basic beliefs in our democracy. all of us are being asked right now what will we do to maintain o
biologics do have residual amounts of fragments of dna, not genes that cause cancer but fragments of genes of dna. for those of you who don t use the metric system a lot that s one trillionth of a gram and these are random fragments. getting that into actually cells and into the nucleus is a tough job. that s why we have no dna vaccines, ali, because dna fragments have to transverse two membranes, the outer membrane of the cell and the nuclear membrane. and that s we have these special devices to get a dna vaccine in. the amount of any pike rowgram is very, very tiny if at all. and then we have special immune system proteins that prevent it from integrating. even if that happens, 99% or more is not going to integrate