Why is it even necessary to run to another state or wherever? Is there some bizarre law in the U.S that means that legislators can be forced to attend? I remember being confused over the Texas thing for the same reason.
Yes.
http://www.slate.com/id/2285532/"The chief clerk shall immediately call the roll of the members, and note the absentees, whose names shall be read, and entered upon the journal in such manner as to show who are absent with leave and who are absent without leave. The chief clerk shall furnish the sergeant at arms with a list of those who are absent without leave, and the sergeant at arms shall forthwith proceed to find and bring in such absentees."