and harry scherer in support of free speech and satire. [[vo]] rock star astronaut chris hadfield.>everything i've done has been fun stuff. [[vo]] mind-blowing discoveries & >>it's on the edge of impossible. [[vo]] terrifying near-death experiences & >>if it had been higher, it'd hit us. [[vo]] and an exciting future that's closer than you think. >>go from being an air traveller to being a space traveller. >>you see it as the future. >>i see it as inevitable. [[vo]] every monday, join us for exclusive, revealing and surprising talks with the most interesting people of our time. >> this is al jazeera america. i'm john siegenthaler. attacks in france. three suspects killed by police, after more violence and more victims. mightier than the sword. the tributes to fallen cartoon cartoonists from people around the world. the person publicly flogged in saudi arabia, his crime insult to islam. how a former heroin addict had an inspired recovery. >>> one suspect still on the run in france, three other suspects were killed after separate standoffs with police. that includes the kouachi broth