convert to df [[(0.02232823, 'presid'), (0.019597555, 'peopl'), (0.015759759, 'job'), (0.015132268, 'america'), (0.01483906, 'countri'), (0.014805936, 'time'), (0.014461602, 'vote'), (0.014272224, 'big'), (0.012997179, 'run'), (0.012458997, 'like'), (0.011716466, 'need'), (0.010900564, 'year'), (0.01074233, 'american'), (0.010264299, 'obama'), (0.010238582, 'win'), (0.009967085, 'want'), (0.009442052, 'work'), (0.00860843, 'dai'), (0.00806676, 'hillari'), (0.00784797, 'know')], [(0.0284241, 'media'), (0.024640147, 'fake'), (0.024389528, 'poll'), (0.02208021, 'total'), (0.021793831, 'interview'), (0.020232506, 'foxnew'), (0.020039016, 'foxandfriend'), (0.019798879, 'report'), (0.019382251, 'fake_new'), (0.017990509, 'cnn'), (0.017821316, 'fail'), (0.01613782, 'debat'), (0.016044173, 'crook'), (0.014464659, 'stori'), (0.013841254, 'rate'), (0.013623737, 'morn'), (0.013338227, 'crook_hillari'), (0.0132363755, 'hillari'), (0.011606906, 'healthcar'), (0.010482638, 'new')]