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.

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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