A bitterly fought Republican Senate primary in Mississippi is heading for overtime. After yesterday's voting, longtime U.S. Sen. Thad Cochran is trailing his Tea Party backed challenger, State Sen. Chris McDaniel. The race appears headed for a runoff in three weeks. NPR's Debbie Elliott has been covering the contest and joins us now from Jackson, Mississippi. Hi, Debbie.
25 years ago today, these were some of the sounds from Tiananmen Square, as Chinese soldiers used rifles and tanks to end nearly two months of pro-democracy protests.
(SOUNDBITE OF PROTESTS)
CORNISH: Hundreds are believed to have died. The White House released a statement today in honor of those who gave their lives, saying we call on Chinese authorities to account for those killed, detained or missing in connection with the events surrounding June 4, 1989.
A new medical technique that could prevent mitochondrial disease would also create babies with three parents, a British health agency says. Officials say the time is coming for a technique that would use material from two women and one man to produce a healthy embryo.
"I think that [two years] is not a bad estimation," Robin Lovell-Badge of the Medical Research Council tells the BBC. "The other sorts of experiments that we thought were necessary, again it will take about two years to complete all of those."