Jennifer Williams said the call included what she viewed as specific references to Trump’s “personal political agenda.”
The whistleblower "exposed things that didn’t need to be exposed," he said.
The House speaker suggested former President Richard Nixon at least "cared about the country enough" to resign.
In a new HuffPost/YouGov survey, 45% of the public says President Trump should be impeached and removed.
White House press secretary Stephanie Grisham said the president received "routine checkups as part of his annual exam."
Tim Morrison, a former National Security Council aide, told impeachment investigators about revealing conversations with Ambassador Gordon Sondland.
"There’s nothing pro-military about overruling our military justice system," said the Democratic presidential candidate.
North Korea said the former vice president should “be beaten to death with a stick” for calling Kim a "murderous dictator."
Trump campaign power takes another hit in the South as Baton Rouge Republican businessman Eddie Rispone goes down in defeat.
Sen. Chris Murphy described Trump's tweet bashing State Department official Marie Yovanovitch as "really serious" and "chilling."
Washington denied the move amounted to another concession to Pyongyang.
The attorney general drew backlash after calling Democratic "resistance" against the president a dangerous "holy mission."
The potential 2020 candidate told a Black megachurch that the legacy of the practice, which largely affected Blacks and Latinos, “still bothers me.”
Rep. Mike Turner said the president's tweet, sent as the former U.S. ambassador to Ukraine testified before Congress, was "certainly not witness intimidation."
"We've felt a lot of momentum on the ground," said a pleased Buttigieg.
One White House aide said the “quid pro quo” was ordered by Trump himself, while another said the “transcript” of the July 25 call was missing a key detail.
The attorney general accused the left of "undermining the rule of law," portraying the legislative branch's oversight as harassment of the president.
The former New York City mayor hasn't yet decided whether to enter the Democratic presidential race, but he's dropping big hints.
Mark Sandy, a White House budget officer, defied Trump's instructions not to testify.
“Even as we push the envelope and we are bold in our vision, we also have to be rooted in reality," said the former president.