Speaking in the Commons while sucking on a cough sweet, the prime minister insisted she had secured "legally binding" changes from the European Union which ensure the Irish backstop can not be permanent.
Mr Zeichner slammed the government for "recklessly wasting yet more time in order to force a false binary choice" over Brexit.
"That is the question we need a clear answer to now".
Theresa May has claimed she still understands the voice of the country on Brexit despite losing her own.
'We can not continue to behave like this as a government, ' he said.
But Chief Secretary to the Treasury Liz Truss indicated that she believes the deal could still be brought back a third time to the Commons and secure a majority.
But Tory MP Charlie Walker, a May loyalist, had warned before last night's vote that one would ensue "as sure as night follows day" if she lost again.
"At least the Prime Minister has finally conceded that the house needs to be able to look at all options, something which she should have done months ago. Any other path will cause irrevocable damage".
"Just like the referendum there are strongly held and equally legitimate views on both sides".
Djokovic beats Fratangelo to reach Indian Wells 3rd round
Mladenovic will have the chance to beat defending champion Osaka for the second time in three weeks after defeating Zheng Saisai. Germany's Angelique Kerber enjoyed a sweet victory over Yulia Putintseva . "For me, it's not a dramatic change", Osaka said.
Opposition Labour Party leader Jeremy Corbyn has demanded a general election after embattled Prime Minister Theresa May's second major parliamentary defeat on the Brexit, saying she must let the people decide who should lead them into the next phase of the UK's divorce deal with the EU.
Dame Caroline had attempted to withdraw her amendment, but it was moved by fellow signatory Yvette Cooper and won the support of a majority of MPs during a string of crunch Brexit votes on Wednesday evening.
If it reaches that point, public health minister Steve Brine said he would resign unless Tory MPs are given a free vote on the issue. It makes us a rule taker, not a rule maker.
"Quite clearly, no-deal must be taken off the table", he added. But what a mess.
A Labour Party spokesman said: "Allowing a free vote on no deal shows Theresa May has given up any pretence of leading the country".
But former cabinet minister Boris Johnson, who campaigned alongside Mr Gove to leave the European Union, said there was "no way" he would vote for the backstop in its current form.
On Wednesday morning the government announced that most imports into the United Kingdom would not attract a tariff in the event of a no-deal Brexit.
Labour leader Jeremy Corbyn called for a general election to be held so the public can decide if they want him to implement his own Brexit plan, which would keep the United Kingdom in a customs union with the EU.