Trump’s Stonewalling on Impeachment Shows Cracks With Testimony

(Bloomberg) -- Three days after the White House said it was going to block all cooperation with the House impeachment inquiry, one State Department official testified and another plans to.Their appearances raise questions about whether the Trump administration may back down from its threat to stonewall House Democrats’ request for testimony and documents, or whether the White House is being selective in how it proceeds.On Oct. 17, the committees will hear from a witness Republican lawmaker