Sen. Jim DeMint warned his colleagues Monday night that he would place a hold on all legislation that has not been “hot-lined” by the chamber or has not been cleared by his office before the close of business Tuesday. Although the South Carolina Republican has objected for years to the hot-lining of legislation until his staff at the Republican Steering Committee has reviewed it, DeMint’s threat to essentially shut down legislation in the chamber is remarkable. [...]

[I]n a terse e-mail sent to all 100 Senate chiefs of staff Monday evening, Steering Committee Chief of Staff Bret Bernhardt warned that DeMint would place a hold on any legislation that had not been hot-lined or been cleared by his office before the close of business Tuesday. [...]

Democratic and Republican aides alike were stunned, arguing that DeMint had essentially made a unilateral decision to end legislative activity in the Senate.