Jeremy Corbyn interview on Brexit Cros Party talkes

The transcript discusses ongoing talks between the government and the opposition regarding Brexit. The main issues include the government's red lines, the possibility of a customs union, and market access. The opposition is pushing for changes in the political declaration and is concerned about a no-deal Brexit. The shadow cabinet is involved in the discussions, and there is a focus on preventing a no-deal scenario through legislative means. The role of Parliament and the potential for an extension beyond June 30th are also discussed, with concerns about participating in European elections.

How does the speaker describe the government's willingness to reconsider parts of the political declaration?

What is the priority mentioned by the speaker in relation to the negotiations with the EU?