Biden slams Trump, saying strike on top Iranian general could cause 'major conflict across the Middle East'; Sanders, Warren, others join criticism

Supreme leader says US president is not 'logical,' 'can't do anything'; vows his country will fight any threat to its interests

US president says response to rioting by pro-Iranian demonstrators at US embassy in Baghdad has been 'handled very well'

Comments come after Pyongyang gave US New Year's deadline to offer fresh concessions amid stalled negotiations

US send hundreds more troops to region; US president says Tehran directly responsible for protesters storming US Embassy compound in Iraq and says they will be held accountable

Analysts say US airstrike on pro-Iran militias could turn focus of Iraq protests from anger at Tehran's influence toward call for US troops to leave region

Some fear that by making American deaths the threshold for response, Washington may be signaling to Tehran that it can continue lower-level provocations

Based on US information, security forces detain two Russians suspected of preparing to carry out terrorist acts in St. Petersburg

Canada's Trudeau says incident a 'sad reminder of the rising numbers of such heinous acts'; Bahrain denounces 'terrorist' knife assault, without mentioning Jewish victims

Unpopular overseas, the US president must deal with numerous global trouble spot as he struggles with a likely impeachment trial in the Senate and conducts a reelection campaign