(Updated below) After years of a stagnant economy, furloughs are nothing new to private-sector workers — including newspaper reporters! — and even many state and local employees. But now they’re affecting the federal government. It’s not because of the economy, though. The Senate needed to pass legislation last week to extend federal highway and transit programs — and the legislation was blocked by Sen. Jim Bunning, R-Ky., who said he objected to the bill because it wasn’t deficit-neutral. The legislation stalled. The result? The Transportation Department has to furlough nearly 2,000 employees, starting today, and ending… whenever the bill gets…