With odds in the Dems' favor, eyes turn to a seasoned politician who loves every camera and hates the Iran deal.
Majority leader also reaffirms importance of NATO alliance; won't commit to border wall.
McConnell says he and Dem counterpart wanted to play baseball, but "we wound up as managers of two unruly franchises instead."
McConnell said he's backing McCain, Schumer effort as "the Russians are not our friends."
In opening day speeches, Ryan tells GOPs they have "once-in-a-lifetime opportunity... that most of us only dream about."
But Schumer wants time for "fair hearings" on eight most "troublesome" nominees.
Top Senate GOP vows "orderly, careful, deliberate transition" away from healthcare law.
Trump gets Senate "input on what they want, how far he wants to extend himself."
With 60 votes to clear, Schumer says nominee must prove he's "within the legal mainstream."