Can this Arab group demand DC not be the US capitol too...
No.
Did any so-called “National Liberation” movement ever claim that a capital city was theirs too?
No.
Only the Palestinians and maybe North Korea (North Vietnam) ever claimed that a foe's capital was there's too.
Did the IRA ever claim that London was theirs?
No.
Did Turkey, when they invaded northern Cyprus in 1974 (people forgot that one), ever claim part of the island, their capital city?
No.
When China invaded Tibet, did they say Beijing was not their capital city?
No?
How many terror groups in the world today claim that that particular country's capital is there's too?
The Palestinain identity is built on substituting itself IN PLACE of ISRAEL, not next to her, in peace. Look at all Palestinian or Arab maps, their symbols, Israel is gone and it is called “Palestine”. These people want peace?
No.