Foulkes was one of the fifty signatories to a letter published in the Guardian in 2010, which called for Pope Benedict XVI not to be given a state visit to the UK, and accused the Catholic Church of increasing the spread of Aids and promoting segregated education. On 24 August 2011, "The Scotsman" reported that he had announced he would table an amendment to the Scotland Bill with the intention to make it impossible for the Scottish Government to sustain free university education for students in Scotland. On 2 February 2012, he tabled a motion calling for the Scottish independence referendum to contain no extra question on increased devolution, and proposing a separate referendum be held on the subject in the event independence were rejected and Scotland voted to stay in the UK.