“It is a recipe for disaster for McConnell and his flock of Senate Republicans up in 2020,” said Dan Eberhart, an oil industry executive and GOP donor who called the predicament a “no-win situation.” “Choose Trump and the emergency declaration and offend moderates, or upset Trump and risk being toppled in a Trump-fueled primary challenge.”…

Even Cotton, a longtime Pentagon champion from a deep-red state, will have to balance his support for the president and the southern barrier with his desire to keep the military budget intact. Military hawks had begged the administration to spare construction dollars that support troops in any attempt to fund a wall project. Trump ignored them, irritating some of Capitol Hill’s most vocal advocates of defense spending.

“Dollars that are in the Department of Defense are already a national emergency,” said Rep. Michael R. Turner, a senior Republican member of the House Armed Services Committee who hails from a swing district in Ohio. “Going to our national security, our Department of Defense dollars, and cannibalizing them will harm our military.”