As a profuse bloomer, bougainvillea is most striking during the winter, when it is at its peak and few other plants are able to provide color. Although it is frost-sensitive and hardy in zones 9b and 10, bougainvillea can be used as a houseplant or hanging basket in cooler climates.
What is the presidents role as legislative leader? The Presidents role is to suggest laws to Congress. Only Congress has the power to actually make laws, however.
The Majority Leader leads the majority party in the Senate, decides official party positions, helps organize Senate arguments and negotiations, decides when it is and is not necessary to invoke the Majority Whip to hold Senators to the majority party line and to determine consequences if Senators vote against their party's platform, etc, etc.