And I had an idea recently. When they send illegals into our country, we charge Mexico $100,000 for every illegal that crosses that border because it… - Donald Trump

Dr. Birx is a proven liar with very little credibility left.

The decision to overthrow the regime in Libya, then pushing for the overthrow of the regime in Syria, among other things, without plans for the day after, have created space for ISIS to expand and grow like nobody has ever seen before. These actions, along with our disastrous Iran deal, have also reduced our ability to work in partnership with our Muslim allies in the region. That is why our new goal must be to defeat Islamic terrorism not nation building. No more nation building. It's never going to work.

The worst thing you can possibly do in a deal is seem desperate to make it. That makes the other guy smell blood, and then you're dead. The best thing you can do is deal from strength, and leverage is the biggest strength you can have. Leverage is having something the other guy wants. Or better yet, needs. Or best of all, simply can't do without. Unfortunately, that isn't always the case, which is why leverage often requires imagination, and salesmanship.