Senator Elizabeth Warren’s numbers have tapered somewhat in polls of the Democratic presidential race nationally and in Iowa over the past two months. But it would be a mistake to conclude she can’t win the Iowa caucuses.

A large share of caucus-goers have yet to commit to a candidate. Warren’s high-profile supporters, including the latest batch, point to factors that will keep her in contention as many Iowans decide over the next 40 days.

Democrats around the country had a lot to celebrate last night, including a “tidal wave” in Virginia, total control of state government in New Jersey, a vote to expand Medicaid in Maine, and a special election that gave the party a majority in the Washington State Senate. Voting rights may be expanded soon in several states, Ari Berman wrote today at Mother Jones.

Many progressive Democrats scored victories in Iowa’s non-partisan local elections as well.