The House Finance Committee is holding a State House hearing on the PawSox Stadium proposal this afternoon.  The committee will review the legislation which calls for 38-million-dollars in public funding from the state and the city toward the cost of building an 83-million-dollar ballpark on the Apex property in downtown Pawtucket.  The committee will hear from representatives of the Pawtucket Red Sox, the city and the state.   Public testimony will be heard at a second hearing next week.