Summer Lee, who rallied with Sen. Bernie Sanders last week, is hanging on to a narrow Democratic primary lead for a deep-blue seat based in Pittsburgh, where she faced $2 million in negative spending against her. Rep. Kurt Schrader (D-Ore.), one of only two incumbents endorsed so far in 2022 by President Joe Biden, is trailing badly in his redrawn district to Jamie McLeod-Skinner, an Elizabeth Warren-backed challenger who was outspent on TV 11-to-1 by Schrader and his allies, according to AdImpact, a media tracking firm…

“Success begets success, so moderates were emboldened by Shontel Brown’s victory [in Ohio earlier this month], and Summer Lee will embolden Jessica Cisneros and Kina Collins,” Shahid continued, citing a pair of progressive challengers running against incumbents in the upcoming Texas and Illinois primaries…

Next week, a key test of progressive strength comes out of the Texas runoffs, where Cisneros is trying to unseat Rep. Henry Cuellar (D-Texas), the lone anti-abortion rights Democrat left in the House, who still enjoys the support of House leadership and a range of moderate outside groups. Cisneros’ critics have already dumped more than $1.2 million against her, arguing that she’s too liberal for a battleground seat that Biden won by 7 points in 2020. But pro-Cisneros spending, from the pro-abortion rights group EMILY’s List to the Working Famlies Party, has also come in, totaling $2.1 million.