Lib Dem election spokesman Ed Davey told the BBC's Radio 4 programme Farron had "changed his mind" on abortion.
The Lib Dems also say they will "strive to retain" the European Health Insurance Card, reduced mobile phone roaming charges and pet passports.
The Liberal Democrats have put forward proposals to ban the sale of diesel cars and small vans in the United Kingdom by 2025, among the measures outlined in the Party's General Election manifesto aimed at tackling air pollution. University tuition fees would be scrapped and maintenance grants reintroduced, at a cost of £11.2 billion.
A journalist for five years in Weston-super-Mare and Cheltenham before moving into communications, Mr Wilkinson said that he was not expecting the two-horse race the Stroud constituency has provided in recent elections.
But speaking in east London, he said the more Lib Dem MPs are elected, the better chance Britain has of a good Brexit.
This time, however, Mr Farron is ruling that option out. "It is going to wreck our children's future for decades to come".
He added: "Nigel Farage's vision for Britain is now Theresa May's".
The party wants to "roll back state surveillance powers by ending the indiscriminate bulk collection of communications data, bulk hacking, and the collection of internet connection records" and "oppose Conservative attempts to undermine encryption".
"No wonder Ukip is standing down candidates and backing the Tories". With the legacy of the coalition hanging over them, Brexit still incomplete, and a leader who is not resonating with the public, the party will surely hope that this manifesto gives them the ammunition they need to advance on their 2015 position.
"The Britain I love is generous and compassionate. I think people feel that we have gone in the wrong direction and they sometimes wish they had someone like Bernard to stand up for them, I'm trying".
The manifesto also pledges to increase corporation tax from 19% to 20% and a penny-in-the-pound increase in income tax.
The party also promise to pass a "Green Transport Act" which will promote the used of low-emissions and electric vehicles and attempt to reduce the amount of petrol and diesel cars own the road.
Nearly double housebuilding to 300,000 new homes every year and give first-time buyers the option to "rent to buy".
In the manifesto it is goes further, saying it will extend free school meals to all primary schools and triple funding for the early years pupil premium, boosting it to £1,000.
The Conservative Party has surged in the polls in recent months, now leading with 49% of the vote according to a YouGov poll published on May 12. As part of raising the number, and quality of apprenticeships, we will ensure that all the receipts from the Apprenticeship Levy in England are spent on training, aiming to fund a wider range of types of training.
"That's a pretty extraordinary thing to do as a country".
"Research over the last 10 years has suggested that it can have serious consequences for people, such as the development of an enduring psychotic illness, particularly in those who are genetically vulnerable", the Royal College of Psychiatrists has warned.
The party commits to creating a legal market for the production and sale of the substance in its manifesto, making it one of the first political parties to fight an election on a ticket of relaxing drug laws.
A young voter has shown his commitment to his party with a haircut dedicated to the Liberal Democrats.
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