"Montana Senate Race: Johnson's Reversal and GOP Infighting"

Republican Senator Ron Johnson has backtracked on his plans to endorse Matt Rosendale, a GOP candidate for Montana's open House seat, after facing blowback from fellow Republicans. Johnson's initial endorsement of Rosendale, who is running in a crowded primary field, drew criticism from some GOP officials who support other candidates. This move highlights the internal divisions within the Republican Party as it navigates primary elections across the country.