"Senator Sanders, I'm sorry."

"The Taj Mahal inspires awe!"

"It's unfair to simply say everything is bad."

"I don’t know anyone who really thinks that Russia prefers Donald Trump to win over ‘comrade’ Sanders."

"I'm in pretty good health."

"Maybe he should step aside."

"Yang's campaign was defined by the candidate's happy go-lucky style."

"So they want to debate family values, let’s debate family values."

"Of course I want to serve America."

"Exorbitant corporate greed by the airlines."

"I think the president should listen to his advice."

"This campaign is going to be unstoppable in 2020."

He will testify on March 31.

"I am deeply sorry for what happened."

"No endorsements right now."

"It just feels like everybody is partially able to take on Trump but not really."

"Congratulations to Attorney General Bill Barr for taking charge."

"We could run Mickey Mouse against this president and have a shot."

"These are tough times."

"I'm not Barack Obama, and neither is he."