[Non-Sequitur]

“From the standpoint of Congress, [the new act] gives Congress a seat at the table in deciding whether or not to go to war,” Christopher said.

Constitutionally Congress should have the sole seat at the table in deciding whether or not to go to war. Article I, Section 9.

[CowboyJay]

I believe you meant Section 8, but good point. Formal declaration of war is an enumerated power of the Congress. The President is empowered only to either sign it or veto.