I am afraid that you are confusing a stiffening of a finger in the wind to a backbone.
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You may be right - but it is a very positive step against a force operating in our government that is not at all in the best interests of the United States. To date, I have been totally frustrated, like a great many, with a Repub majority in Congress (two of them) that has been basically under the thumb of the White House, and virtually impotent to get anything done. But most importantly, it shows that the when the people of this country get serious about an issue, they can directly turn the Congress around and make them do something...yet many still do not realize this, but again, a positive little baby-step in the right direction. I also see people, in general, wising-up to the modus operandi of the Congress and starting to keep an eye on them.
I like the idea of the ports being American run.
But then I also like the idea of having an American run merchant fleet !