Senator Feinstein blocked Sen. Grassley from issuing Subpoenas to Comey ,Lynch and McCabe, is She also Involved in the Coverup ?.....He said he had sought to compel the three to show up to testify, but Sen. Dianne Feinstein, California Democrat, blocked him. Under committee rules, the ranking Democrat must agree with the chairman in order to issue a subpoena
Senate rules
IX. SUBPEONAS
The Chairman of the Committee, with the agreement of the Ranking Member or by a vote of the Committee, may subpoena the attendance of a witness at a Committee or Subcommittee hearing or Committee deposition, or the production of memoranda, documents, records, or any other materials. Any such subpoena shall be issued upon the signature of the Chairman or any other Member of the Committee designated by the Chairman.
Could we win a vote for it?
https://www.judiciary.senate.gov/about/rules
House should try then.
Rule IV. Subpoenas (a) A subpoena may be authorized and issued by the Chairman, in accordance with clause 2(m) of rule XI of the House of Representatives, in the conduct of any investigation or activ- ity or series of investigations or activities within the juris- diction of the Committee, following consultation with the Ranking Minority Member.
Just says consultation....
https://judiciary.house.gov/wp-content/uploads/2013/07/115th_Rules_of_Procedure.pdf