I have my suspicions...
During the election, CallMeDave pledged to bring in a law to lock the rates of VAT, NI, & Income Tax "within 100 days".
This of course gives him 99 days to raise those rates without breaking his promise. Now Osborne has announced a "surprise" budget for Jul 8. Hmm.
(El Reg needs a tinfoil hattery icon, but this will have to do for now.)