20-month-old daughter fell over the edge of rainbow falls after the mother tried to stop her 4-year-old son from getting too close to the water. she had at baby strapped to her in a care iron her chest. the firefighters were able to evacuate her and her baby bringing them both to safety. incredibly both only suffers some minor bumps and bruises. not because they are easy but because they are hard. megyn: president john f. kennedy making that speech in houston, texas in 1962. saying in the age of space we mean to be a part of it, we mean to lead it, and america did. here is a look at today s space walk at the international space station. discovery astronauts taking their final space walk of their mission. nasa is preparing to retire the shut tell fleet later this year.