Following a Democratic presidential primary debate last week, Warren confronted Vermont Senator Bernie Sanders with a non-question followed by a question mark: "I think you called me a liar on national TV?"
During the debate Sanders had denied telling Warren during a private meeting that he told her a woman couldn't win the presidency.
Massachusetts Governor Charlie Baker pledged that the state will have "net-zero greenhouse gas emissions by 2050 — the year he turns 94.
Baker made the promise during his annual State of the Commonwealth address on Tuesday, January 21. It's less ambitious than the 2030 deadline set by supporters of the Green New Deal but far beyond the goals of climate change skeptics.