By Zoe Grunewald Labour are set for a baptism of misery, with a host of tough decisions on everything from taxes to the NHS. Just as Boris broke the Brexit deadlock, Starmer will need all his strength to push through the changes this country needs, says Zoe Grunewald Conservative MPs have moved from maintaining that their party can still win the general election to issuing grave warnings about a Tory wipeout. Defence secretary Grant Shapps cautioned that Labour could get a “supermajority”; a sweeping victory that would give Labour leader Keir Starmer unchecked power, pushing dangerous legislat…