Cryptic four

[lacuna bless]

Mentioned changes to principal right of government? 7,6
E***E*T/DOMAIN

A struggle in some sand, leader falls unconcious? 7 U***A*E

Little mites causing endless worry getting stuck in road ? 5, A****

What's best for mark on skin? 4
W*A*

[Lie-in King]

12d Eminent domain - anag 'mentioned' + main
11d (D)Un-a-war-e - 'a war' (in) dune (minus leader)
15a A-car-i - AI (road) + car(e)
8d Weal (prosperity & a mark)

[lacuna bless]

Ta very much.