The Government of Canada, through the Department of Justice, should institute a study of the accountability of corporate executives and directors for the wrongful or negligent acts of the corporation and should introduce in the Parliament of Canada such amendments to legislation as are necessary to ensure that corporate executives and directors are held properly accountable for workplace safety.
The speaker thinks corporate executives care deeply about workplace safety 
He wants to study corporate executives because he thinks they aren’t accountable fir workplace safety 
( z1 think :ARG0 ( z2 person :ARG0-of ( z3 speak ) ) :ARG1 ( z4 care :ARG0 ( z5 person :ARG0-of ( z6 have-org-role :ARG1 ( z7 corporation ) :ARG2 ( z8 executive ) ) ) :ARG1 ( z9 safe :ARG1 ( z10 workplace ) ) :ARG1-of ( z11 deep ) ) )