Are the 'Palestinians' now susceptible to pressure?

Herb Keinon argues that the fact that the 'Palestinians' have agreed to participate in the 'proximity talks' without getting a full 'settlement freeze' that includes 'east' Jerusalem, shows that like Israel, the 'Palestinians' now have shifting red lines and that like Israel, the 'Palestinians' are susceptible to pressue. So when Abbas said for months and months that he would not enter into