SelectPlusAP Top StoriesAP Top StoriesThe Associated PressHere's the latest news for Friday, July 18th: Slain NC woman's family ask killer to come forward; Mandela on 90th birthday: Rich should help poor; Tropical storm floods southern Taiwan; Food safety worries change buying habits.This is A-P NewsMinute. [Notes:pool] A desperate plea from the family of a murdered North Carolina mother. Nancy Cooper's loved ones are asking for the killer to come forward and show a "shred of decency." At this time, authorities in the Raleigh suburb of Cary haven't named a suspect. [Notes:aptn]Nelson Mandela is celebrating his 90th birthday today by urging the wealthy to share with the poor. The anti-apartheid icon is having a quiet celebration at his rural South African home. [Notes:aptn] At least four people are dead after a tropical storm pounded southern Taiwan with as much as 44 inches of rain in just 24 hours. The powerful storm is now moving from Taiwan toward China. [Notes:aptn]The salmonella scare linked to tomatoes and possibly hot peppers is changing Americans grocery habits. Nearly half the people questioned in a new Associated Press-Ipsos poll say they've stopped buying the items because they're afraid of getting sick. And more than a-quarter have thrown things out. ___ ___, The Associated Press with AP NewsMinute.