Obama soon to ask Congress for ISIS war authority

READ: White House to request permission to fight ISIS

The biggest flashpoint in the debate over this authorization will be on the question of ground troops.

Regardless of what language the White House sends, an open question is how Congress will bridge the wide gap between hawks and non-hawks on the many issues involved here: whether to restrict the use of ground troops, whether to include a sunset or time limit for the authorization and whether to include geographical restrictions.

CNN