Democratic presidential candidates former Vice President Joe Biden, and Sen. Elizabeth Warren, D-Mass., shake hands on stage Friday, Feb. 7, 2020, before the start of a Democratic presidential primary debate hosted by ABC News, Apple News, and WMUR-TV at Saint Anselm College in Manchester, N.H. (AP Photo/Charles Krupa)
Elizabeth Warren endorsed Joe Biden on Wednesday, becoming the last of the former vice president's major Democratic presidential rivals to formally back him.
The Massachusetts senator dropped out of the race last month, shortly after a disappointing third-place finish in her home state. She refused to immediately endorse Biden or her fellow progressive Bernie Sanders.
Sanders, who suspended his campaign last week, endorsed Biden on Monday, A day later, former President Barack Obama announced his public backing of Biden.
Water infrastructure across the country is vulnerable as climate change makes storms more unpredictable and destructive, flooding low-lying drinking water treatment plants and overwhelming coastal sewage systems.
Iran has transferred five Iranian-Americans from prison to house arrest in exchange for billions of dollars frozen in South Korea, U.S. and Iranian officials said Thursday, in a deal that comes after months of heightened tensions between the two countries.
