Democratic Senator Elizabeth "Pocahontas" Warren, officially launched her campaign for the presidential elections of 2020.During her launching campaign speech, Warren accused Donald Trump of "lack of conscience" in its immigration policies while describing herself as a fighter willing to achieve "structural reform".Warren joined other Democratic senators from this party who have already announced their intention to reach the White House, such as Cory Booker, Kamala Harris, and Kirsten Gillibrand, while also progressive Bernie Sanders and lawmaker Amy Klobuchar are expected to be added to the political...