The Clinton-backing California Senator raises a warning flag about the nomination battle.
"I think the race is reaching the point now where there are negative dividends from it, in terms of strife within the party.”
Says she continues to back Clinton, but wants more detail about her strategy for victory.
Plus: Clinton-supporting Bob Kerrey believes “if things stay the way they are now,” she will be out by June 3.
Earlier: Former Sen. McGovern switches from Clinton to Obama.
Says it's time for the party to focus on McCain. Listen to him on MSNBC, and read what he said on Fox.
