bob reynolds, al jazeera. ♪ >> let's bring in our guests.r research fellow at university college london. in baltimore, an astronomer at the space telescope science institute in one of the scientist who selected the images which you've seen. in boston, a theoretical physicist and professor of science at harvard university. welcome to you all. thank you for joining us. we had a little bit of an introduction about what james webb is designed to do. tell us more about why it's described as a time machine. >> it is a time machine. everything is a time machine. we are always looking at the past. the screen in front of me, i see it as it was a couple nanoseconds ago. looking deep into space, we are talking not hours, days, years, not even millions. thousands of millions of years in the past when the light from these distant objects, that we see especially in the first image that was released, left some of those objects more than 13,000 years ago. it's fascinating that we are looking into a time machine in the past. >> we will go the images in a mom

bob haldeman, nixon's chief of staff did 18 months for his role . he added a couple perjury is along the way which mark reynoldsvery aggressive about people who entered the capital, who attacked the capital, who hurt officers. what lays ahead legally here? >> one of the things to keep in mind is if you have cooperators you are sort of a double-edged sword. on the one hand it is great because you get information but on the other hand a jury might receive them with skepticism and think you are only doing this or saying what you need to say because you are preservation which is obviously a very big enticing factor and so it can cut both ways but the idea these are very serious charges. up to 20 years for these conspiracy based charges. the burden of proof has however different than the legislative committee. accountability looks like in cases like this, jail time, when somebody has tried to overthrow the government and undermine democracy, jurors are not particularly, this is a dc jury we are talking about as well. not known for thumbing its nose on politics in general. >> we need to be clear if we are talking abo