A new pro-Palestinian Super PAC, American Priorities, is raising millions to shield candidates from AIPAC-backed challengers and help elect Israel critics to Congress, fueling a battle over the future of US military aid

American Priorities launched a $500,000 media campaign for Democratic congressional candidate Darializa Avila Chevalier, who's promised to ban super PACs.

A new pro-Palestinian Super PAC, American Priorities, is raising millions to shield candidates from AIPAC-backed challengers and help elect Israel critics to Congress, fueling a…