Republican Sen. Joni Ernst of Iowa suggested Monday that President Donald Trump's impeachment trial could damage Joe Biden's presidential campaign in Iowa as the state's caucuses are less than a week away.

Secretary of State Mike Pompeo's efforts to distance himself from the controversy surrounding Ukraine and its role in President Donald Trump's historic impeachment trial collapsed this weekend, days before he leaves for an awkward visit to Kiev after questioning whether Americans "care" about the country.

House Democrats are banking on a health care focused message to protect the majority they won in 2018, while the third presidential impeachment in US history consumes the Senate.

A little known part of the National Security Council has been thrust into the spotlight after details of an unpublished manuscript by former national security adviser John Bolton became public late Sunday, upending the Senate impeachment trial.

President Donald Trump's legal team continued its defense Monday against the impeachment charges as the Senate trial was roiled by news of former national security adviser John Bolton's draft book manuscript. But views of the Senate chamber are still limited by restrictive TV camera rules.

Amy Klobuchar ended her frenetic, 36-hour sprint across Iowa with a direct plea.

In the midst of the ongoing Senate impeachment trial of President Donald Trump, a report from The New York Times has renewed calls from Democrats for John Bolton to testify.

New revelations about the Ukraine scandal from former national security adviser John Bolton dealt a significant blow to President Donald Trump's defense strategy, contradicting key elements of the case his attorneys presented to senators in his impeachment trial.

Attorney Jay Sekulow, a member of President Trump's defense team, criticized a video of House Speaker Nancy Pelosi passing out pens to impeachment managers after signing the articles of impeachment.

Senate Chaplain Barry Black opened the second week of arguments in the Senate impeachment trial of President Donald Trump by invoking NBA superstar Kobe Bryant and his daughter, who died in a helicopter crash Sunday in California.