The two presidents will meet as the first public hearing of the House's impeachment inquiry unfolds.
Abu Hassan al-Muhajir was killed hours after his boss, ISIS leader Abu Bakr al-Baghdadi, died during a U.S. raid in northern Syria.
Pulling out of Syria is a "grave strategic mistake," the Senate majority leader warned in an op-ed.
Democrats and Republicans banded together Wednesday and approved a nonbinding resolution by 354-60 vote.
The comedian tore into Eric Trump's spouse over her comments about the Kurds and Syria.
Turkey's offensive against the Kurds has upended alliances and is re-drawing the map of the region.
Kurdish forces will work with the Syrian government to fend off Turkey’s invasion, a major alliance shift after Trump ordered U.S. troops out of the area.
The former defense secretary warned that national security is "tied inextricably to our alliances," following Trump's decision to abandon the Syrian Kurds.
"Pull my name off the 'I support Donald Trump' list," Shimkus said.
"We’ve crossed a rubicon here [...] that I think is going to haunt us for decades to come," said the Obama-era national security adviser.