Without Roe, Guam could revert to an abortion ban dating to 1990. The 9th U.S. Circuit Court of Appeals ruled the law unconstitutional in 1992, but it has never been repealed.
A father whose fourth-grade daughter was killed in the attack, said he raced to the school and raised the idea of charging into the school with several other bystanders.
A White House official said Biden's comments did not reflect a policy shift, even though the U.S. traditionally has avoided making such an explicit security guarantee to Taiwan.
Wireless carriers in Canada have been banned from installing Huawei equipment in their high-speed 5G networks, as the country joined allies in banning the giant Chinese technology company.
The White House and U.S. politicians join others around the world in calling for the release of a retired archbishop, singer and others in the Chinese territory.
U.S. first lady Jill Biden spent Mother's Day in Slovakia, meeting Ukrainian mothers who have been displaced by Russia's war and assuring them that the "hearts of the American people" are behind them.