The Associated Press December 14, 2011, 2:30AM ET  US urges ban
on texting, talking while driving  Ren Bishop is one of many
American drivers who texts, tweets and talks on her cellphone
while she's behind the wheel -- and thinks it should be up to
drivers to use their discretion when it comes to safety.  Though
she admits thumbing her phone while driving is bad habit, the
University of Missouri student says drivers "are mature enough
to understand when it is appropriate and when it is not."  The
National Transportation Safety Board disagrees, and it declared
Tuesday that texting, emailing or chatting while driving is
simply too dangerous to be allowed anywhere in the United
States.  The board is urging all states to impose total bans
except for emergencies following recent deadly crashes,
including one in Missouri after a teenager sent or received 11
text messages within 11 minutes.  The unanimous recommendation
from the five-member board would apply even to hands-free
devices, a much stricter rule than any