SCOOP: TRUMP's top Ukraine envoys, Kurt Volker & Gordon Sondland, pushed UKRAINE to commit to investigating Trump's rivals -- marking the 1st evidence that the US government effort to push for probes into BIDEN & other rivals was broader than just Trump. https://t.co/5QCNZS4q5K— Kenneth P. Vogel (@kenvogel) October 3, 2019