<｜begin▁of▁sentence｜>### Instruction:
Given the Political blogs Graph which you can read from a gml file named polblogs.gml, can you use the genetic algorithm (GA) community detection method in cdlib to perform community detection and then generate a JSON representation of the resulting NodeClustering object?
### Response:
import networkx as nx
from cdlib import algorithms

# Read the Political blogs graph
G = nx.read_gml('polblogs.gml')

# Apply GA community detection algorithm
coms = algorithms.ga(G, population=100, generation=10, r=0.1)

# Generate JSON representation of the NodeClustering object
coms_json = coms.to_json()

print(coms_json)
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