More work needs to be done, but directive gives cause a major boost, observers say.
The president signed the document after visiting the John Paul II Shrine in Washington.
Some see risk of military action increasing, while others applaud Trump for sticking to his guns
President blasts Obama-era agreement
Trump makes good on threat against Assad regime
Trump won't budge, says one Senate supporter, and House won't vote on bills not considered having White House support
President talks about "the Lord's grace" and "God's providence" at work throughout nation's history
President stays true to "America First" theme throughout his first SOTU speech.