Gaga reveals her top three issues would be alternative energy, gay rights and "world peace."
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Mother Monster and thousands of her fans jam New York's Times Square for her live appearance at MTV.
"It's meant to be slightly linear, and slightly twisted and confusing, which is the way that love is," Gaga says.
"I imagine that my pop career could be quite long and people will wonder what my demise will look like, so why don't we ...