The sequester is set to kick in on Friday, leaving Congress little time to prevent across-the-board spending cuts that would start this week and last until they’ve saved $1.2 trillion over 10 years, the Washington Post reports. Democratic and Republican leaders are expected to introduce competing proposals this week that would replace the indiscriminate reductions, but neither side sees much chance of winning passage for their plans. That means the sequester is almost certain to kick in on Friday…