He was a leading figure in the MISC@1 political party Alliance ' 90/The Greens , and according to opinion polls , he was the most popular politician in LOCATION@1 for most of the government 's duration .

He was a leading figure in the German ORGANIZATION@1 and according to opinion polls -LSB- -RSB- , he was the most popular politician in LOCATION@1 for most of the government 's duration .
