By BAGEHOT
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ONE can read too much into the Liberal Democrats’ storming performance at yesterday’s by-election in Witney, the well-heeled Oxfordshire seat vacated by David Cameron’s resignation from the House of Commons. In interviews this morning a visibly ecstatic Tim Farron hailed the result—a rise in his party’s vote-share from 6.7% to 30.2%—as proof that his lot are “back in the political big time”. “We are the comeback kids!” he gushed.