<ol>
<li><p>They don’t, for the most part. It’s all about what GPA you get in that major.</p></li>
<li><p>Can’t tell you.</p></li>
<li><p>Nope, it wouldn’t add much to your application (it’s pretty much GPA + LSAT), but it’ll be invaluable in getting you work experience in case law doesn’t pan out. I can’t comment on the rest.</p></li>
<li><p>I can’t say, so most of my response is useless. :p</p></li>
</ol>