Former WH aide: John Bolton called Giuliani a 'hand grenade'

(AP) -- Former national security adviser John Bolton was so alarmed by Rudy Giuliani's back-channel activities in Ukraine that he described President Donald Trump's personal lawyer as a "hand grenade who is going to blow everybody up," according to a former White House aide.

New Hampshire poll suggests Michelle Obama would enter race as front-runner

Former first lady Michelle Obama repeatedly has stated there’s "zero chance" she would run for president in 2020 -- but a new poll in New Hampshire, the state holding the first primary in the race for the White House, suggested that if Obama changed her mind, she would enter the race as the front-runner.

Diplomats pushed Ukraine to investigate, dangled Trump visit

Top U.S. diplomats encouraged Ukraine's newly elected president to conduct an investigation linked to Joe Biden's family in return for a high-profile visit with President Donald Trump. It soon escalated into what one diplomat feared was a "crazy" swap that risked vital U.S. military aid.

Biden: Racism in America is institutional, 'white man's problem'

Racism in America is an institutional "white man's problem visited on people of color," former Vice President Joe Biden said, arguing that the way to attack the issue is to defeat President Donald Trump and hold him responsible for deepening the nation's racial divide.

Biden says he’s not relying on Obama as ‘crutch’ in 2020 bid

DETROIT (AP) — Joe Biden rarely lets a public event pass without reminding voters of his work alongside President Barack Obama. But the former vice president insisted on Wednesday that he’s not overly relying on that relationship to fuel his 2020 White House bid.

Warren tells Dem activists 'time for small ideas is over'

Sen. Elizabeth Warren electrified California Democrats on Saturday with a pledge for bold action, matching if not outshining enthusiasm for the state's own Sen. Kamala Harris to kick off a day when more than a dozen presidential candidates planned to make their cases to thousands of activists in the nation's largest liberal stronghold.