Her video announcement took on the familiar themes of economic inequality and reining in corporate greed.
Warren was been a favorite target of Trump, who frequently calls her "Pocahontas" - a reference to Warren's claims of Native American heritage.
Warren has burnished her credentials in U.S. politics since 2008 by being vociferous in her criticism of the lack of oversight and regulation which, she maintains, led to the recession. And opportunity, for too many of our young people, is shrinking. Iowa is a popular first stop for presidential candidates as it is the first state to participate in the primaries.
Warren said she was launching an exploration committee for president - the legal precursor to a run for office - as the race to be the Democratic nominee has just started.
Warren said that Washington "works great for the wealthy and the well-connected" but that it needs to work for everybody else. The Cherokee Nation attacked her for using DNA to try to claim a connection, saying she had undermined tribal interests, and the New York Times reported Warren privately anxious whether she had damaged her standing with progressive activists and minorities.
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We only can think now of the match on Tuesday [against Fulham] and know the difference between Liverpool and us was not like today's result.
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Mayfield led the team to a 7-8-1 record and set the National Football League record for the most touchdown passes by a rookie. The Browns have already reached out to former Packers coach Mike McCarthy for an interview, according to The Toronto Sun.
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Warren launched her bid for the presidency in the waning days of 2018.
The Michelob Ultra Web site describes the beer as "The Light Beer to be Excited About".
The former Harvard professor's hand had covered the beer's label during the video, although she continued to sip at it during the filming.
Iowa's caucuses will not be held for another 13 months in February of 2020.