NEW YORK (AP) — Fearing betrayal on a signature campaign issue, President Donald Trump's loyalists are lashing out against his proposal to create a path to citizenship for nearly 2 million "Dreamer" immigrants.

Trump-aligned candidates from Nevada and Virginia rejected the notion outright. A loyal media ally, Breitbart News, attacked him as "Amnesty Don." And outside groups that cheered the hardline rhetoric that dominated Trump's campaign warned of fierce backlash against the president's party in November's midterm elections.

"There's a real potential for disaster," said Mark Krikorian, execu...