Well , if Dale Tallon is truly in charge then, he should bring Turk back yesterday. Gallant built/coached  this team to a winning record and if the( lack-of knowledge)-owner is true to his words (letting Tallon be in charge of hockey operations) then complete the transformation. 
Second on the list is not to sign Jagr. I know he wants to play but there is this thing with aging European players (see Hasek) who want to play for the love of the game. The NHL is a winning league not a retirement league. If this were the 60's then  Jagr would still be useful, (see Gordie Howe) but in today's game, he looks slow and has a big issue with pivoting on his skates. Sorry to burst his bubble but I preferred Jagr 10 years ago.