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Sen. Bernie Sanders: 'Medicare for all' is 'not a radical idea'
Sen. Bernie Sanders, I-VT, discusses GOP tax reform and his universal health care proposal on "This Week."
The tragic accident that inspired ex-Wall Street analyst to become doctor: Part 4
Today, Debbie Yi is an emergency room doctor at the University of California San Francisco.
Horrific subway accident changed lives of ex-Wall Street analyst, her sister
Debbie Yi got a call that her sister Christine had been in a horrific subway accident and both women were never the same afterwards.
Ann Coulter, James Carville Face Off on 2016 Election: Full Conversation
ABC News' David Wright moderates a talk between the two political heavyweights as they discuss the battle between Hillary Clinton and Donald Trump.
Fighting Zika in the US: The Battle Over GMO Mosquitoes
A genetically modified mosquito could help lower the population of the dangerous Aedes aegypti, but not everyone is in favor of the technology.
How Well Do Mosquito-Repellent Products Work?
New products are hitting the market that claim to protect against mosquitoes.
Bernie Sanders Rails Against Income Inequality in Rural America
The presidential candidate spoke in Huntington, W.Va., on the evening of five Northeast primaries.
The This Week Roundtable on Donald Trump and the Future of the Republican Party
ABC News' George Stephanopoulos talks to Matt Dowd, Alex Castellanos, Jennifer Granholm, Sara Fagen, and Roland Martin about what's next in the race for the White House.
'Hustle Believe Receive' Author Interview
ABC News' producer Cameron Jones interviews 'Hustle Believe Receive' author Sarah Centrella who talks about her inspiration for the book.
Bernie Sanders: Donald Trump is a 'Pathological Liar'
Does secretary Clinton deserve an apology tonight? Yes, I apologize. Secretary Clinton, do you accept? Not only do I apologize to secretary Clinton, and I hope we can work together on an independent investigation from day one, I want to apologize to my supporters. This is not the type of campaign