President Joe Biden and French President Emmanuel Macron stand on the stage during a State Arrival Ceremony on the South Lawn of the White House in Washington, Thursday, Dec. 1, 2022. [AP Photo]
Presidents Joe Biden and Emmanuel Macron vowed to maintain a united front against Russia on Thursday amid growing worries about waning support for Ukraine's war effort in the U.S. and Europe. Biden also signaled he might be willing to tweak aspects of his signature climate legislation that have raised concerns with France and other European allies.