In public and behind the scenes, Illinois Gov. JB Pritzker is leading efforts to push back on Donald Trump and challenging Democrats to do more to oppose the president’s actions.

A more aggressive Illinois Gov. JB Pritzker has emerged on the political stump in recent days — both in terms of what he is saying and where he is saying it. The new tone he has struck has led some to believe a presidential run is indeed in the offing.

Illinois Gov. JB Pritzker (D) on Sunday called for mass protests against the Trump administration and blasted “do-nothing Democrats” who have failed to mount a stronger opposition to the Republicans in control of the federal government.