Trump insults Mitt Romney after Republican senator's tough criticism of President
By Veronica Stracqualursi & Clare Foran
Marco Rubio downplays Trump request for China help vs. Biden
By Alex Daugherty & Gwen Filosa
Ron Johnson says he was blocked by President Trump from telling Ukraine foreign aid was coming
By Molly Beck, Patrick Marley & Eric Litke
Read the Text Messages Between U.S. and Ukrainian Officials
By Charlie Savage & Josh Williams