In a limited company, the liability of members or subscribers of the company is limited to what they have invested or guaranteed to the company.
The current President pro tempore of the Senate is Utah Republican Orrin Hatch. Elected on January 6, 2015, he is the 90th person to serve in this office.
U.S. Congress with 90+ answers. Officially, the President pro tempore (or President pro tem) presides over the Senate in the Vice President's absence. He or she rarely actually does so, however: presiding over the Senate is fairly dull business with relatively limited authority, and most days, the President pro tem delegates the duty to a freshman Senator of his or her Party.