Donald Trump Jr. said on March 9 that allies of Rep. Liz Cheney (R-Wyo.) are working to derail a Wyoming bill that would establish a primary runoff election for federal and statewide offices. “The Wyoming Senate is voting on SF145 tomorrow. SF145 would enact a runoff system in WY, so candidates need over 50% to win a primary. Liz Cheney allies are working behind the scenes to kill the bill!” Trump Jr. wrote on Twitter. “Contact the Republicans on the committee & tell them to support SF145!” Cheney is one of ten Republicans who voted to impeach former President Donald Trump. She is facing the prospect of a Trump-backed primary challenge for the 2022 election, though Trump has not yet backed a candidate. Trump Jr. had spoken via phone to a crowd in Wyoming gathered to hear Rep. Matt Gaetz (R-Fla.) speak against Cheney. Trump Jr. has also hinted that …