Categories Articles The whistleblower at the center of the Trump impeachment inquiry has agreed to testify before Congress, says Rep. Adam Schiff Post author By crystalg Post date September 29, 2019 Business Insider Feedburner Tags Adam, agreed, Before, center, Congress, impeachment, Inquiry, Rep., Says, Schiff, testify, Trump, Whistleblower ← How to Choose Your First E-Commerce Product → Tesla and Elon Musk’s Tweet Violated Labor Laws Protecting Unions, Judge Rules