In his farewell speech, Obama is likely to list the nation’s highs and lows.
Since the start of Obamacare, 20 million more Americans have insurance.
President Barack Obama, who is visiting Poland, called the shooting a "vicious, calculated and despicable attack on law enforcement."
Trade between the U.S. and Vietnam now adds up to $45 billion a year.
At the Gulf Cooperation Council summit meeting, Iran and regional security are concerns.