InfoPath Dev

I'm creating an InfoPath 2007 browser enabled form in Infopath designer 2010 and following are the details: Person #1 initiates the request and sees View #1. They submit to InfoPath form library and an email goes to Person #2. That person opens up the form and sees View #2 that allows them to add their approval, notes and then there is a ...

I have to show and hide a section of infopath form based on share point assigned user permissions and the infopath form is hosted in sharepoint. One idea i have in mind is to use views but i'm not sure how to show or hide views depending on user permissions. Any suggestions how can I do this?

I have a drop down list A populated from Sharepoint list in Infopath form and I'm trying to populate another drop down list B dynamically based on Choice of List A. Do this require coding? Any suggestions how can i get this done? Thanks