Speculation is growing about the role former Rep. Liz Cheney (R-Wyo.) will play in the 2024 election as President Biden and former President Trump barrel toward a rematch. Cheney has vowed that she’ll do whatever it takes to keep Trump from returning to the White House. She has left the door open to running an independent bid and recently launched her political action committee, the Great Task, after Nikki Haley dropped her long-shot primary challenge against Trump. At the same time, she has said she won’t be a spoiler third-party candidate if it helps Trump — leaving some Democrats curious,...