Overview: Headlines for April 04, 2016; Meet the Greenpeace Activist Who Confronted Hillary Clinton over Ties to Fossil Fuel Industry; How Much Money Has Hillary Clinton's Campaign Taken from Fossil Fuel Companies; 'Love Trumps Hate': Actress Rosario Dawson on Why She Supports Bernie Sanders for President; Voter ID Nightmare: Up to 300,000 Wisconsin Voters Could Be Barred from Polls Thanks to Scott Walker