According to this quote, which issue would make ruling too hard for the government under the constitution

The word is from the Latin and means "I forbid." The President is authorized by the Constitution to refuse his assent to a bill presented by Congress if for any reason he disapproves of it. Congress may, however, pass the act over his veto but it must be by a two-thirds majority in both houses.

Explanation:

the recent bombing of the uss cole is one of many incidents of terrorism directed against the united states. more than 40 percent of the world’s terrorism is directed against u.s. targets.   pursue the alleged perpetrators through the criminal justice system, and still others would beef up intelligence capabilities. to deal with potential attacks involving weapons of mass destruction, some analysts advocate extending the reach of law enforcement agencies or spending more on domestic preparedness programs; others would encourage a policy of u.s. military restraint overseas to attempt to reduce the motivation for terrorist attacks on u.s. targets.

the term is einsatzgruppen