Democratic Sen Jacky Rosen of Nevada running for reelection

LAS VEGAS – Sen. Jacky Rosen, a Democrat from Nevada who steered a moderate path during her first term in the chamber, announced Wednesday that she will seek reelection in the perennial battleground state. In a statement, Rosen focused on her efforts to promote bipartisanship and “big problems to solve” for the country, including “lowering costs for the middle class, defending abortion rights, tackling the climate crisis (and) protecting Social Security and Medicare.” Rosen’s announcement is welcome news for Democrats ahead of a challenging 2024 Senate map. They must defend incumbents not only in red states — Montana, Ohio and…