Clinton showed no sign of surrender, but former Sen. George McGovern, the party's 1972 presidential candidate, urged her to reconsider.

Clinton says she’ll stay in presidential race McGovern says it’s virtually impossible for her to win nomination
updated 1:57 p.m. ET, Wed., May. 7, 2008
http://www.msnbc.msn.com/id/24500688/

"Some people point to the fact that the war in Vietnam was dreadfully unpopular, but that when I came out for an immediate withdrawal, it helped me win the nomination but not the general election,” said McGovern, 84.

"I’m not sure that an anti-war Democrat can win.”

Wednesday, July 11, 2007 10:04 a.m. EDT McGovern Doubts Anti-war Democrat Can Win
http://archive.newsmax.com/archives/ic/2007/7/11/100822.shtml