Sen. Elizabeth Warren questions Trump's strategy on North Korea Massachusetts Sen. Elizabeth Warren has become one of the Democrats' leading voices in Congress. Warren's latest book, "This Fight Is Our Fight: The Battle to Save America's Middle Class," accuses the government of working for the wealthy and corporations at the expense of everyday Americans. Warren joins "CBS This Morning" to discuss the possible summit between President Trump and North Korean leader Kim Jong Un, why she questions whether he has a strategy for those talks, and the changing face of democracy in America.