trump showed his support back in april. he's got a pretty full plate at the moment though..
[link to www.washingtonpost.com (secure)]

from article;
He, govrnr, added: “Furthermore, President Trump has assured me that he will support a federalism-based legislative solution to fix this states’ rights issue once and for all. Because of these commitments, I have informed the Administration that I will be lifting my remaining holds on Department of Justice nominees.”