Following the tweets all the way down...

MVPython.py

import urllib2
import BeautifulSoup

def follow_tweet(url):
    print url
    f = urllib2.urlopen(url).read()
    s = BeautifulSoup.BeautifulSoup(f)
    next = s.find('p', {'class': 'js-tweet-text tweet-text'}).find('a', {'class': 'twitter-timeline-link'}).get('data-expanded-url')
    try:
        follow_tweet(next)
    except:
        return url
    
print follow_tweet('https://twitter.com/jwegener/status/433479322742304768')

results

~/Desktop 3017$ python turtles.py 
https://twitter.com/cdixon/status/433468068237692928
https://twitter.com/sacca/status/433467363623583745
https://twitter.com/trammell/status/433462737151488000
https://twitter.com/danadanger/status/433462152590929921
https://twitter.com/omid/status/433460895323127808
https://twitter.com/isaach/status/433460018914922496
https://twitter.com/sampullara/status/433459738924179456
https://twitter.com/cmyang/status/433458862130495488
https://twitter.com/mattyglesias/status/433435023661088768
https://twitter.com/WillOremus/status/433431276352053248
https://twitter.com/jpodhoretz/status/433429868152225792
https://twitter.com/mckaycoppins/status/433387422760443904
https://twitter.com/lachlan/status/433386785964826624
https://twitter.com/ChrisLoesch/status/433382639668428801
https://twitter.com/sunnyright/status/433342799241420800
https://twitter.com/heminator/status/433340459239235585
https://twitter.com/baseballcrank/status/433339338386993154
https://twitter.com/lachlan/status/433339253871742976
https://twitter.com/BenHowe/status/433339087320133633
https://twitter.com/fuegote/status/433327431378694145
https://twitter.com/AceofSpadesHQ/status/433326472070057984
https://twitter.com/BenK84/status/433259921409196032
https://twitter.com/RBPundit/status/433259587139940352
https://twitter.com/Neal_Dewing/status/433259154980220929
https://twitter.com/moelane/status/433252368189497344
https://twitter.com/Popehat/status/433251577726398464
https://twitter.com/LeonHWolf/status/433250987801718784
https://twitter.com/redsteeze/status/433250487404879872
https://twitter.com/benhowe/status/433249756006346752
https://twitter.com/charlescwcooke/status/433249614431809536
None
~/Desktop 3018$ python turtles.py 
https://twitter.com/jwegener/status/433479322742304768
https://twitter.com/netspencer/status/433477617153736704
https://twitter.com/a_j_r/status/433472601512345600
https://twitter.com/shellen/status/433469974976282624
https://twitter.com/mediajunkie/status/433467828889333762
http://twitter.com/sacca/status/433467363623583745
https://twitter.com/trammell/status/433462737151488000
https://twitter.com/danadanger/status/433462152590929921
https://twitter.com/omid/status/433460895323127808
https://twitter.com/isaach/status/433460018914922496
https://twitter.com/sampullara/status/433459738924179456
https://twitter.com/cmyang/status/433458862130495488
https://twitter.com/mattyglesias/status/433435023661088768
https://twitter.com/WillOremus/status/433431276352053248
https://twitter.com/jpodhoretz/status/433429868152225792
https://twitter.com/mckaycoppins/status/433387422760443904
https://twitter.com/lachlan/status/433386785964826624
https://twitter.com/ChrisLoesch/status/433382639668428801
https://twitter.com/sunnyright/status/433342799241420800
https://twitter.com/heminator/status/433340459239235585
https://twitter.com/baseballcrank/status/433339338386993154
https://twitter.com/lachlan/status/433339253871742976
https://twitter.com/BenHowe/status/433339087320133633
https://twitter.com/fuegote/status/433327431378694145
https://twitter.com/AceofSpadesHQ/status/433326472070057984
https://twitter.com/BenK84/status/433259921409196032
https://twitter.com/RBPundit/status/433259587139940352
https://twitter.com/Neal_Dewing/status/433259154980220929
https://twitter.com/moelane/status/433252368189497344
https://twitter.com/Popehat/status/433251577726398464
https://twitter.com/LeonHWolf/status/433250987801718784
https://twitter.com/redsteeze/status/433250487404879872
https://twitter.com/benhowe/status/433249756006346752
https://twitter.com/charlescwcooke/status/433249614431809536
None