How many Democrats does it take to change a light bulb? Lefties’ fondness for novelty goes only so far. Democrats are policy liberals (sort of) and campaign conservatives. Party culture is built around seniority and whose “turn” it is to move up the organizational ladder. There is ageism in that, but also resistance to generational change. (I wrote about our local changing of the guard a few years back.) That’s visible in real time in the contest for ranking member of the House Oversight Committee between Rep. Gerry Connolly (D-Va.) and Rep. Alexandria Ocasio-Cortez’s (D-N.Y.). Politico: House Democrats have solidified the generational shake-up at the top of their committees, after significant behind-the-scenes influence from both current and former leaders of the caucus. The caucus faced tough races for the Agriculture, Oversight and Natural Resources Committees. Rep. Angie Craig (Minn.) won the nod for the top party spot on Agriculture, beating incumbent Rep. David Scott (Ga.), who’d faced long-standing questions about his health, and Rep. Jim Costa (Calif.). Rep. Gerry Connolly (Va.) won the Oversight recommendation over Rep. Alexandria Ocasio-Cortez (N.Y.). And Rep. Jared Huffman (Calif.) earned the nod for the Natural Resources Committee against Rep. Melanie Stansbury (N.M.) after Rep. Raúl Grijalva (Ariz.) stepped down. Rep. Jamie Raskin (Md.) is also poised to take the top Democratic spot on the Judiciary Committee, though Steering will now take votes on uncontested panel spots on Tuesday. AOC did not win the recommendation during a Monday meeting of the House Democratic Steering and Policy…