Here are the impeachment-related stories Grassfire is tracking for Tuesday, January 7:

Gowdy: Democrats want to 'neuter' Trump's presidency

Bolton willing to testify in impeachment trial if subpoenaed

Bolton Roils Impeachment Trial, Saying He’d Speak If Subpoenaed

Sen. Cornyn: ‘Entirely Likely’ Bolton Testimony ‘Would Be Helpful’ to Trump

Sen. Romney: I Want John Bolton to Testify at Impeachment Trial

Sen. Hawley rallies GOP colleagues to move to dismiss articles of impeachment

Sen. Johnson on impeachment: Nancy Pelosi's strategy 'seems totally bizarre'

Maybe Pelosi’s Impeachment Delay Is Working

Hannity: Dems care more about bashing Trump than literally anything else (video)

INSIDER REPORT: McConnell: House Dems Continue To Play Political Games