French Prime Minister Michel Barnier will push through his austerity budget without a vote in the National Assembly if required, government spokeswoman Maud Bregeon said in Paris on Wednesday. The cabinet had agreed to allow Barnier to make use of the relevant paragraph in the constitution in the event that he cannot get the budget through the National Assembly and the upper house, the Senate. The budget debate, which began on Monday, is the first serious test for France’s new centre-right government, which lacks a parliamentary majority and could be toppled by a vote of no-confidence. This wo…