Merrit Kennedy

To legally justify its military actions against the Islamic State, the U.S. has relied on a piece of 2001 legislation, written years before the extremist group came into existence.

Now 46 representatives from both parties say in a letter to Speaker Paul Ryan that it's time for Congress to "immediately begin a serious debate" on authorization for the use military force against the Islamic State.

Updated 11:00 p.m. ET

Competing demonstrations in support of and against conservative commentator Ann Coulter's controversial speech, which had been planned for Thursday at the University of California, Berkeley, were held amid a heavy police presence. Despite some shouting and harsh words, both groups were peaceful.

Coulter's planned appearance had been canceled Wednesday after school officials said they wouldn't be able to adequately secure the site and sponsors pulled out.

Arkansas is scheduled to execute convicted murderer Kenneth William tonight, who has been on death row since 2000.

Williams is set to be the fourth and final inmate executed there this month, after the state initially scheduled eight condemned inmates to die over 11 days — the fastest pace of executions in decades.

After a lengthy back-and-forth, conservative commentator Ann Coulter's speech scheduled for tomorrow at University of California, Berkeley appears to be off – apparently for multiple reasons.

And there is some dispute about who actually did the canceling.

Mexico has long argued that U.S. labeling rules for dolphin-safe tuna unfairly restrict its access to the U.S. market. And in a decision Tuesday, the World Trade Organization agreed, saying Mexico may seek $163 million annually from the U.S. in retaliatory measures.

The controversial labeling rules, aimed at protecting dolphins from getting ensnared in fishing nets and killed, date back to 1990.

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