teachers and parents noticed misspellings, gramentcal and punk twugs mistakes and one city was located in the wrong state. >> i heard the spanish and math books have the most mistakes. and it's true. i noticed that. >> it's an embarrassment for the mexican federal government which said the errors were only noticed after 235 million books were printed and an oversight the parents find unforgiveable. >> i think they should have set up a commission. so the books would be written correctly. >> government officials promised to give teachers a list of 117 errors found so far so they can manually correct them. the teachers unions say they have not yet received any such list. 's week of p, egypt blood shed. we look at the history of the plight of the country's christians. plus leaving syria for iraq, a new refugee crisis. and the device that could change lives. scientists develop a pocket computer to help the world's virblingly impaired. we begin with egypt's deadliest week in decades. the age-old divide, political islam and arab nationalism reared its head with almost 1,000 people killed. egy