Leo Varadkar says pathway to Brexit deal is not without hurdles

The video discusses a busy day involving negotiations on a revised Withdrawal Agreement between the EU and the UK. Initial signs indicate progress, but several hurdles remain, including reaching an agreement at the negotiator level and obtaining approval from the European Council. The Prime Minister is confident about passing the deal through the House of Commons if an agreement is reached, but acknowledges challenges ahead.

What is the significance of the revised Withdrawal agreement as described in the text?

What are the two levels of approval mentioned that are necessary for the agreement?