Congressional committees are preparing to consider defense spending and authorization bills this month , but lawmakers have yet to reach a bipartisan budget deal to avert sequestration. Acting Defense Secretary Shanahan told the House Appropriations defense subcommittee today the Defense Department faces a 25% cut if Congress is unable to agree on lifting spending caps set by the 2011 Budget Control Act. “It's, you know, not something you can just do some belt-tightening exercises on,” he said. “You're at a...