Hillary Clinton vs. Elizabeth Warren Could Be a Dream Match, for Republicans

They have called Senator Elizabeth Warren “an extremely attractive candidate” in the 2016 presidential campaign. They have said that she is the “hottest commodity” in the Democratic Party and that she has demonstrated the “passion and intensity” that Hillary Rodham Clinton lacks.

Those glowing compliments are not from the liberal activists who are trying to persuade Ms. Warren to challenge Mrs. Clinton, who is expected to be the party’s leading contender in 2016. They come from conservatives who are eager to drum up a contentious Democratic primary and who see...