Elections - Congressional Power to Regulate
Section 4. Clause 1. The Times, Places and Manner of holding Elections for Senators and Representatives, shall be prescribed in each State by the Legislature thereof; but Congress may at any time make or alter such Regulations, except as to the Place of chusing Senators.
Section 4. Clause 1. The Times, Places and Manner of holding Elections for Senators and Representatives, shall be prescribed in each State by the Legislature thereof; but Congress may at any time make or alter such Regulations, except as to the Place of chusing Senators.
No. Regulating time and place is of course not the same thing as regulating speech.
As I said, the government has no constitutional power to limit campaign contributions by corporations.