Politico reports: Top GOP officials and senators say White House chaos and impulsiveness are crippling efforts to expand the Republican Senate majority in 2018, unraveling long-laid plans and needlessly jeopardizing incumbents.

There’s a widespread sense of exasperation with the president, interviews with nearly two dozen senior Republicans reveal, and deep frustration with an administration they believe doesn’t fully grasp what it will take to preserve the narrow majority or add to it.

The most recent flash point involves Nevada Sen. Dean Heller, who was attacked by a White House-sanctioned outside group after announcing his opposition to the now stalled Obamacare repeal bill. Heller, the most endangered GOP incumbent up for reelection in 2018, was initially targeted with a surprise $1 million digital, TV and radio assault — an act of political retaliation that stunned senators and other top GOP officials.

The TV and radio commercials, produced by America First Policies — which is staffed by a number of Trump’s top campaign aides — accused Heller of refusing to keep his “promise” to dismantle Obamacare.

The offensive reflected Trump’s mounting frustration with Capitol Hill Republicans who refuse to advance his stymied legislative agenda and was designed to send a loud message that it’s time to get on board. Yet it infuriated Majority Leader Mitch McConnell himself, who privately fumed that it would make it harder to get Heller’s support for the legislation. Some McConnell allies reached out to the organization directly to express their displeasure and to plead with it to cease the attacks, reasoning that it could badly hurt Heller’s already challenging reelection bid. [Continue reading…]